Come Sunday

Recording by Duke Ellington.

Recording identifiers

ISRC
USBN20100671
CopyrightID (CopyrightChains transaction hash)
0x6617570cd3bdceb9f8725ba965695fb184689361242caba2ad4d330c842902ec
Copyright registration time
2026-07-07T09:22:03+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:57dc4ad862e0cd0f1cabece9077b576230549c59976ca2d789c54721805bb38e

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.