Comparisons

Golden record vs evidence-carrying record

A golden record presents preferred values; an evidence-carrying record keeps the dated source sentence with each value.

The distinction

A golden record is a consolidated view of an entity assembled for consistent use across systems. It reduces duplicate identities and gives applications a preferred set of attributes. In a well-governed master-data program, each field can have an owner, update rule, and exception process. This is valuable when transaction systems need a stable customer or supplier view. The adjective golden, however, does not itself disclose why an individual value was selected or what contradictory evidence was set aside.

An evidence-carrying record keeps a cited, dated source sentence with every value. The sentence gives a reviewer a precise place to test the assertion, while the date states when that evidence applied or was observed. This is useful when facts are disputed, change over time, or must withstand external review. A sentence is still evidence to interpret, not a guarantee of truth: its source, scope, and context matter. A record can be both golden for operational use and evidence-carrying for review.

By dimension

Dimension	Golden record	Evidence-carrying record
Primary purpose	Present a preferred entity view.	Make each value independently reviewable.
Value support	Support depends on the program's lineage practice.	A cited, dated source sentence accompanies each value.
Conflict	A preferred value can be shown without the alternatives.	Contrary sentences can remain visible beside the selected value.
Consumer	Operational applications need consistent attributes.	Reviewers need the grounds for each assertion.
Change	A new preferred value can replace an old one.	Earlier evidence and the reason for revision can be retained.
Cost of review	Review may require tracing lineage elsewhere.	The cited sentence provides a direct starting point.
Limit	Consolidation alone does not establish evidentiary quality.	A citation alone does not establish that the sentence is correct.

Choose Golden record when

Applications need one preferred entity view.
Field ownership and update rules are already governed.
Operational consistency matters more than field-level review.

Choose Evidence-carrying record when

Every consequential value needs a precise cited basis.
Source statements can be disputed or superseded.
A reviewer must reconstruct why the value stood at a given date.

Using both

Publish a preferred operational view whose individual values each retain a dated source sentence, prior values, and any unresolved contradiction.

A worked example

A fictional customer master shows one golden record for Halden Laboratory Services GmbH: a name, an address and a tax number. All three are the survivors of merge rules. A user who doubts the address cannot tell whether it came from the contract, an invoice or a web form, or when.

An evidence-carrying version shows the same address with the sentence it was read from, the document, the reading date and the competing value, with the reason one was preferred. The user can open the contract sentence, compare the invoice, and see that the invoice address is a billing address and the contract address a registered office. The disagreement dissolves because the evidence shows the two values answer different questions. In the golden record, one of them would simply have been deleted.

Where each one fails

A golden record fails when its authority is assumed. The label implies that the value is right, and users stop asking. Rules that prefer the latest update, the most complete record or the most trusted system will be wrong for some fields, and the error cannot be found later because the losing values are gone.

An evidence-carrying record fails when the evidence is the wrong kind. A quoted sentence from a weak source is still weak, and a pile of citations can make a doubtful value look solid. It also costs more to build and to read, and a reader overwhelmed by evidence may not find the point. Evidence must be structured so that the question a reader is likely to ask, namely where does this come from and when, is answered first.

Questions to settle before choosing

Which fields are disputed in practice? Where there is no dispute, a plain operational value is enough. Who challenges values, and what do they need to see? Does a regulator, a customer or a court expect a basis for each value? How often do values change, and will the history be asked for? Can the operational view be derived from the evidence-carrying one, so that the two do not diverge? If they are maintained separately, one of them will drift.

How the two meet in a review

The practical design is one store with two views. Operational consumers read the preferred value. A reviewer opens the same value and sees its basis: the passage, the date, the alternatives and the rule. W3C's provenance model offers a vocabulary for the links involved, and the web annotation model describes how a quoted passage can be selected within a document. Either way, the golden value is a projection of the evidence, and a change to the evidence changes the projection.

Related terms

References

Found an error on this page? See corrections for what counts as one, how to report it and the dated log.

Enquiry

Which do you run today: Golden record or Evidence-carrying record?

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