ISRC USAB11768707
Verified recording
USAB11768707 is “Valentine” by Fred Hersch,
registered on the CopyrightChains blockchain with CopyrightID
0x046d4cd3de6f8457689c995f9d3a479bc7a07a1c748151bb66d7ab25108e97c2 and independently timestamped
in Bitcoin block 957073 on 2026-07-07.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USAB11768707.
Recording identifiers
- ISRC
- USAB11768707
- Title
- Valentine
- Artist
- Fred Hersch
- CopyrightID (CopyrightChains transaction hash)
0x046d4cd3de6f8457689c995f9d3a479bc7a07a1c748151bb66d7ab25108e97c2
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-07T18:39:05+00:00
- Bitcoin block
- 957073
- Canonical record hash
sha256:87f75ae4d83b9d46d204cd5006a4ecb4f099ee18a04ccc9c7ce5f26de90f5907- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USAB11768707
- Bitcoin block existence check
- https://blockstream.info/api/block/957073