IV

Recording by Sufjan Stevens.

Recording identifiers

ISRC
US64G1913504
CopyrightID (CopyrightChains transaction hash)
0xd27416a666253b290ce7f2687ab147cfef5e6051948f392ff48b0ae99e0bf527
Copyright registration time
2026-06-22T10:13:35+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:9b9dce39105bd42fa5f5ff51ab32cc4ce4fe46afcf629f660a810044234959b0

What this proof establishes

This recording belongs to ProofProfile's historical evidence base derived from the pre-2022 AcousticBrainz and MusicBrainz corpus. ISRC is the stable recording-level bridge from that source corpus to the authoritative cc-db-prod track record.

CopyrightChains and Bitcoin OpenTimestamps make the exact committed record independently verifiable today. The cryptographic proof does not by itself establish authorship or ownership of the underlying recording.

Read the complete pre-generative-AI provenance and verification method.