ISRC USHM22157972
Verified recording
USHM22157972 is “Quartet (III. Fast)” by Steve Reich,
registered on the CopyrightChains blockchain with CopyrightID
0xd6b51815d56458ff2ee958b093e5b1b57218e110ba17360f9f708d379ef46b01 and independently timestamped
in Bitcoin block 960427 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM22157972.
Recording identifiers
- ISRC
- USHM22157972
- Title
- Quartet (III. Fast)
- Artist
- Steve Reich
- CopyrightID (CopyrightChains transaction hash)
0xd6b51815d56458ff2ee958b093e5b1b57218e110ba17360f9f708d379ef46b01
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T15:59:18+00:00
- Bitcoin block
- 960427
- Canonical record hash
sha256:1111f266c74b25967bf6842dff924cf704ba84acd4fbb66ea9814a715fc1cbf7- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM22157972
- Bitcoin block existence check
- https://blockstream.info/api/block/960427