ISRC USHM22157970
Verified recording
USHM22157970 is “Quartet (I. Fast)” by Steve Reich,
registered on the CopyrightChains blockchain with CopyrightID
0x6295e205feae4f816e04f06b3a6cafa60ab96b9e878e4739e060c4a446d2270a and independently timestamped
in Bitcoin block 960368 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM22157970.
Recording identifiers
- ISRC
- USHM22157970
- Title
- Quartet (I. Fast)
- Artist
- Steve Reich
- CopyrightID (CopyrightChains transaction hash)
0x6295e205feae4f816e04f06b3a6cafa60ab96b9e878e4739e060c4a446d2270a
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T08:26:41+00:00
- Bitcoin block
- 960368
- Canonical record hash
sha256:3524a5edfdc5ba4d4b6a144fc4d767a16d6352a0447812229d43c4f8d8234765- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM22157970
- Bitcoin block existence check
- https://blockstream.info/api/block/960368