ISRC US29X1700040
Verified recording
US29X1700040 is “Whisper Not” by Fred Hersch,
registered on the CopyrightChains blockchain with CopyrightID
0x55fa5ac64316d51c721cf8861141f79d0f983b2f0607de14602fceecd216a6c4 and independently timestamped
in Bitcoin block 960247 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US29X1700040.
Recording identifiers
- ISRC
- US29X1700040
- Title
- Whisper Not
- Artist
- Fred Hersch
- CopyrightID (CopyrightChains transaction hash)
0x55fa5ac64316d51c721cf8861141f79d0f983b2f0607de14602fceecd216a6c4
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T10:42:33+00:00
- Bitcoin block
- 960247
- Canonical record hash
sha256:4cabed0ca0d8867aa11cbd5e46736a78a7b18bdc5f1db14ef76788accce96cf7- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US29X1700040
- Bitcoin block existence check
- https://blockstream.info/api/block/960247