ISRC USGR19900430
Verified recording
USGR19900430 is “Yesterday” by Dave Grusin,
registered on the CopyrightChains blockchain with CopyrightID
0xa62fea1123fbcd4dfb34847fc2aa9defc033dd0a9bd5b51f1d86e68d728af926 and independently timestamped
in Bitcoin block 960125 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USGR19900430.
Recording identifiers
- ISRC
- USGR19900430
- Title
- Yesterday
- Artist
- Dave Grusin
- CopyrightID (CopyrightChains transaction hash)
0xa62fea1123fbcd4dfb34847fc2aa9defc033dd0a9bd5b51f1d86e68d728af926
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T15:38:18+00:00
- Bitcoin block
- 960125
- Canonical record hash
sha256:ed34c4852e1079f14b0348fcbc8d0cb345d9bbf102209f4f51c2d87c0de8b384- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USGR19900430
- Bitcoin block existence check
- https://blockstream.info/api/block/960125