ISRC USRZR9682102
Verified recording
USRZR9682102 is “February” by Dar Williams,
registered on the CopyrightChains blockchain with CopyrightID
0xaa1dfbd690eba1eb44723faf2861bb302599773a9d60b7608c63647ebc11dc06 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/USRZR9682102.
Recording identifiers
- ISRC
- USRZR9682102
- Title
- February
- Artist
- Dar Williams
- CopyrightID (CopyrightChains transaction hash)
0xaa1dfbd690eba1eb44723faf2861bb302599773a9d60b7608c63647ebc11dc06
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T13:32:09+00:00
- Bitcoin block
- 953520
- Canonical record hash
sha256:d547d0434c30e125ef325643835e1ed21ac9007ba3b885909a6a2374b01bd8e9- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USRZR9682102
- Bitcoin block existence check
- https://blockstream.info/api/block/953520