ISRC USUM72304109
Verified recording
USUM72304109 is “Feedback Jam - Live In Los Angeles, Great Western Forum - December 30, 1993” by Nirvana,
registered on the CopyrightChains blockchain with CopyrightID
0x2a79045aa6a98ad67fd5a048dc234fd3e1419422a5506e6841a4bee2d097af56 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/USUM72304109.
Recording identifiers
- ISRC
- USUM72304109
- Title
- Feedback Jam - Live In Los Angeles, Great Western Forum - December 30, 1993
- Artist
- Nirvana
- CopyrightID (CopyrightChains transaction hash)
0x2a79045aa6a98ad67fd5a048dc234fd3e1419422a5506e6841a4bee2d097af56
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T13:32:09+00:00
- Bitcoin block
- 953520
- Canonical record hash
sha256:534b5a3c895fbb6f6667076c6a39acb16498088c343f39b45bfb96f683f6e871- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUM72304109
- Bitcoin block existence check
- https://blockstream.info/api/block/953520
Full record
Track page: Feedback Jam - Live In Los Angeles, Great Western Forum - December 30, 1993 · Machine-readable JSON-LD