ISRC USA4A2300001
Verified recording
USA4A2300001 is “Impromptu: Impromptu” by Germaine Tailleferre,
registered on the CopyrightChains blockchain with CopyrightID
0x78ba4b3d43a99d028c0de69bb2f8387e56b647318ad0ac0fafbb8389e4d0ef52 and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USA4A2300001.
Recording identifiers
- ISRC
- USA4A2300001
- Title
- Impromptu: Impromptu
- Artist
- Germaine Tailleferre
- CopyrightID (CopyrightChains transaction hash)
0x78ba4b3d43a99d028c0de69bb2f8387e56b647318ad0ac0fafbb8389e4d0ef52
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:51eeb8a84ab8c466baf80c65400aeca4d662b775f70556be08f97754de79ecf2- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USA4A2300001
- Bitcoin block existence check
- https://blockstream.info/api/block/957118