ISRC USUM72303648
Verified recording
USUM72303648 is “School - Live In Los Angeles, Great Western Forum - December 30, 1993” by Nirvana,
registered on the CopyrightChains blockchain with CopyrightID
0x05f65f3fd49461a2905f692338c4fa7aa0f901e35fa89ece14e81d2b68ab9cef 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/USUM72303648.
Recording identifiers
- ISRC
- USUM72303648
- Title
- School - Live In Los Angeles, Great Western Forum - December 30, 1993
- Artist
- Nirvana
- CopyrightID (CopyrightChains transaction hash)
0x05f65f3fd49461a2905f692338c4fa7aa0f901e35fa89ece14e81d2b68ab9cef
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T13:32:09+00:00
- Bitcoin block
- 953520
- Canonical record hash
sha256:9ea7a10000512de75f433e351b7feec4f2229b51717a580572d921e5f8023a0b- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUM72303648
- Bitcoin block existence check
- https://blockstream.info/api/block/953520
Full record
Track page: School - Live In Los Angeles, Great Western Forum - December 30, 1993 · Machine-readable JSON-LD