ISRC USUM70848705
Verified recording
USUM70848705 is “Last Night - Undubbed Version” by Buddy Holly,
registered on the CopyrightChains blockchain with CopyrightID
0xaaaf574b12262418bd28102978a968c7bdf52428971c2c64a0981f2798d7c287 and independently timestamped
in Bitcoin block 960352 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUM70848705.
Recording identifiers
- ISRC
- USUM70848705
- Title
- Last Night - Undubbed Version
- Artist
- Buddy Holly
- CopyrightID (CopyrightChains transaction hash)
0xaaaf574b12262418bd28102978a968c7bdf52428971c2c64a0981f2798d7c287
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T05:48:30+00:00
- Bitcoin block
- 960352
- Canonical record hash
sha256:9b3fe4afe57ec56c767f597fe7e28775fc69bbc83fe169128965a660617fa913- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUM70848705
- Bitcoin block existence check
- https://blockstream.info/api/block/960352
Full record
Track page: Last Night - Undubbed Version · Machine-readable JSON-LD