ISRC USUM72114618
Verified recording
USUM72114618 is “Floyd The Barber - Live In Del Mar, California/1991” by Nirvana,
registered on the CopyrightChains blockchain with CopyrightID
0x3071684ac43f188edbc053e992fcb8422734ec6b163dcaec710efb3ec2ad755c and independently timestamped
in Bitcoin block 956302 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUM72114618.
Recording identifiers
- ISRC
- USUM72114618
- Title
- Floyd The Barber - Live In Del Mar, California/1991
- Artist
- Nirvana
- CopyrightID (CopyrightChains transaction hash)
0x3071684ac43f188edbc053e992fcb8422734ec6b163dcaec710efb3ec2ad755c
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:9c2bf42737e4b2b21df27c54a0dbe2edcfc75a3c400ee707a12cf0306ed990a7- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUM72114618
- Bitcoin block existence check
- https://blockstream.info/api/block/956302
Full record
Track page: Floyd The Barber - Live In Del Mar, California/1991 · Machine-readable JSON-LD