ISRC USMC16211166
Verified recording
USMC16211166 is “Say It (Over And Over Again)” by John Coltrane Quartet,
registered on the CopyrightChains blockchain with CopyrightID
0x56e832bbd9109abcbc1a2fc6a3da15ef7dca6315575eba67522c3ddfec81c08c 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/USMC16211166.
Recording identifiers
- ISRC
- USMC16211166
- Title
- Say It (Over And Over Again)
- Artist
- John Coltrane Quartet
- CopyrightID (CopyrightChains transaction hash)
0x56e832bbd9109abcbc1a2fc6a3da15ef7dca6315575eba67522c3ddfec81c08c
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T13:32:09+00:00
- Bitcoin block
- 953520
- Canonical record hash
sha256:2b869ca7357ef2bb1dfa7dcf4c731a278787dcae175815ce5494f112122027dd- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USMC16211166
- Bitcoin block existence check
- https://blockstream.info/api/block/953520
Full record
Track page: Say It (Over And Over Again) · Machine-readable JSON-LD