ISRC USIR10400873
Verified recording
USIR10400873 is “Old Age - Nevermind Outtake” by Nirvana,
registered on the CopyrightChains blockchain with CopyrightID
0x59e60e31effd7c40d42e7bf1e02c4a52632096029d359b210f094b4be3bc9fef 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/USIR10400873.
Recording identifiers
- ISRC
- USIR10400873
- Title
- Old Age - Nevermind Outtake
- Artist
- Nirvana
- CopyrightID (CopyrightChains transaction hash)
0x59e60e31effd7c40d42e7bf1e02c4a52632096029d359b210f094b4be3bc9fef
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T12:47:07+00:00
- Bitcoin block
- 953513
- Canonical record hash
sha256:ac3f15ca89eb48f851d2611f76cdac9439ca901be293b4093d42de075338e612- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USIR10400873
- Bitcoin block existence check
- https://blockstream.info/api/block/953513
Full record
Track page: Old Age - Nevermind Outtake · Machine-readable JSON-LD