ISRC USUM71309366
Verified recording
USUM71309366 is “Frances Farmer Will Have Her Revenge On Seattle - Demo / Instrumental” by Nirvana,
registered on the CopyrightChains blockchain with CopyrightID
0xf54e0dea6a9acb07bd80e4c8a8c274528e6444ba97abe194d07bb0f8c0e4b22c and independently timestamped
in Bitcoin block 953515 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUM71309366.
Recording identifiers
- ISRC
- USUM71309366
- Title
- Frances Farmer Will Have Her Revenge On Seattle - Demo / Instrumental
- Artist
- Nirvana
- CopyrightID (CopyrightChains transaction hash)
0xf54e0dea6a9acb07bd80e4c8a8c274528e6444ba97abe194d07bb0f8c0e4b22c
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T12:53:06+00:00
- Bitcoin block
- 953515
- Canonical record hash
sha256:f3b8fdc05e78375bb8bfc1e634f9967f9a84c4048567878a8fae195cc9ac006c- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUM71309366
- Bitcoin block existence check
- https://blockstream.info/api/block/953515
Full record
Track page: Frances Farmer Will Have Her Revenge On Seattle - Demo / Instrumental · Machine-readable JSON-LD