ISRC USF461600036
Verified recording
USF461600036 is “Waltz #2” by J Mascis,
registered on the CopyrightChains blockchain with CopyrightID
0x9f8ee3949e8c0aefbd4195ed543f0fcd1d359d7cb342c3c1f9f1ac7a96d30ccc and independently timestamped
in Bitcoin block 956304 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USF461600036.
Recording identifiers
- ISRC
- USF461600036
- Title
- Waltz #2
- Artist
- J Mascis
- CopyrightID (CopyrightChains transaction hash)
0x9f8ee3949e8c0aefbd4195ed543f0fcd1d359d7cb342c3c1f9f1ac7a96d30ccc
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:dc2f0fefd791f04d221a2b24038c88467231b17f3ac5f65ccb31417b3ad6579f- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USF461600036
- Bitcoin block existence check
- https://blockstream.info/api/block/956304