ISRC USUM72303643
Verified recording
USUM72303643 is “Dumb - Live In Los Angeles, Great Western Forum - December 30, 1993” by Nirvana,
registered on the CopyrightChains blockchain with CopyrightID
0xc19835ef89d5800ab29d925bccf17f24e9ab98cc87c10ed6ab126fd9bfbe9284 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/USUM72303643.
Recording identifiers
- ISRC
- USUM72303643
- Title
- Dumb - Live In Los Angeles, Great Western Forum - December 30, 1993
- Artist
- Nirvana
- CopyrightID (CopyrightChains transaction hash)
0xc19835ef89d5800ab29d925bccf17f24e9ab98cc87c10ed6ab126fd9bfbe9284
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T13:32:09+00:00
- Bitcoin block
- 953520
- Canonical record hash
sha256:9bc6d4b094e9b9533d48dae0bbc3c170fdfe941a8f195922e580ba0a7633fef1- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUM72303643
- Bitcoin block existence check
- https://blockstream.info/api/block/953520
Full record
Track page: Dumb - Live In Los Angeles, Great Western Forum - December 30, 1993 · Machine-readable JSON-LD