ISRC USUM71211159
Verified recording
USUM71211159 is “Heroin - Alternative Version” by The Velvet Underground,
registered on the CopyrightChains blockchain with CopyrightID
0x4fb226f024802e3a16d550d17171a5d06c0336d9aa63250470ce7f8e81212fc4 and independently timestamped
in Bitcoin block 956889 on 2026-07-06.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUM71211159.
Recording identifiers
- ISRC
- USUM71211159
- Title
- Heroin - Alternative Version
- Artist
- The Velvet Underground
- CopyrightID (CopyrightChains transaction hash)
0x4fb226f024802e3a16d550d17171a5d06c0336d9aa63250470ce7f8e81212fc4
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-06T06:56:49+00:00
- Bitcoin block
- 956889
- Canonical record hash
sha256:cff0c0949cff2f034b244f1cff85aa8034f53b68a905cb270ed8f91b6207367b- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUM71211159
- Bitcoin block existence check
- https://blockstream.info/api/block/956889
Full record
Track page: Heroin - Alternative Version · Machine-readable JSON-LD