ISRC USMR18186823
Verified recording
USMR18186823 is “Heart Song” by Jonathan Tunick,
registered on the CopyrightChains blockchain with CopyrightID
0x70914648452207428e947b9206f3edffae253f5c196d695353460654a7814640 and independently timestamped
in Bitcoin block 960138 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USMR18186823.
Recording identifiers
- ISRC
- USMR18186823
- Title
- Heart Song
- Artist
- Jonathan Tunick
- CopyrightID (CopyrightChains transaction hash)
0x70914648452207428e947b9206f3edffae253f5c196d695353460654a7814640
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T19:35:34+00:00
- Bitcoin block
- 960138
- Canonical record hash
sha256:1f7d8116de4fde30fea141ea1e004c0218d7c56287631bcb243aaa4d73527a5a- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USMR18186823
- Bitcoin block existence check
- https://blockstream.info/api/block/960138