Blues Instrumental

Recording by The Velvet Underground.

Recording identifiers

ISRC
USY251829391
CopyrightID (CopyrightChains transaction hash)
0x9e30eb604cc0a1b9d9df6d46cab161fb30ef7feefc00e5c01d93aac3ba1889d8
Copyright registration time
2026-07-07T07:14:44+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:18d37de5c175d2daaa8a079f308bb9c453a90f73b7f7bac704c2910158b53aad

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.