ISRC USUM72114615
Verified recording
USUM72114615 is “About A Girl - Live In Del Mar, California/1991” by Nirvana,
registered on the CopyrightChains blockchain with CopyrightID
0xd9e444430995e52f32c840a55acb0e45ac0686fd8a4a5db71c3e0728af23cf8b and independently timestamped
in Bitcoin block 953520 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUM72114615.
Recording identifiers
- ISRC
- USUM72114615
- Title
- About A Girl - Live In Del Mar, California/1991
- Artist
- Nirvana
- CopyrightID (CopyrightChains transaction hash)
0xd9e444430995e52f32c840a55acb0e45ac0686fd8a4a5db71c3e0728af23cf8b
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T13:32:09+00:00
- Bitcoin block
- 953520
- Canonical record hash
sha256:e1fde54a119736d207285f320b5f48abe9de893a0545cb76ad122f03b22cba46- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUM72114615
- Bitcoin block existence check
- https://blockstream.info/api/block/953520
Full record
Track page: About A Girl - Live In Del Mar, California/1991 · Machine-readable JSON-LD