ISRC USIR10400870
Verified recording
USIR10400870 is “Smells Like Teen Spirit - Rehearsal Demo” by Nirvana,
registered on the CopyrightChains blockchain with CopyrightID
0xfa7e7a9db1402ed95f26717bfc011b0aa8b1395d2409fee6571f43ab33b30acc and independently timestamped
in Bitcoin block 953513 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USIR10400870.
Recording identifiers
- ISRC
- USIR10400870
- Title
- Smells Like Teen Spirit - Rehearsal Demo
- Artist
- Nirvana
- CopyrightID (CopyrightChains transaction hash)
0xfa7e7a9db1402ed95f26717bfc011b0aa8b1395d2409fee6571f43ab33b30acc
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T12:47:07+00:00
- Bitcoin block
- 953513
- Canonical record hash
sha256:de1664c3309be87d8d690909d27f7fa89b37a63edeb63458c8439951768374a7- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USIR10400870
- Bitcoin block existence check
- https://blockstream.info/api/block/953513
Full record
Track page: Smells Like Teen Spirit - Rehearsal Demo · Machine-readable JSON-LD