ISRC USNO18613804
Verified recording
USNO18613804 is “Sextet: 4th Movement” by Steve Reich,
registered on the CopyrightChains blockchain with CopyrightID
0x88f1aeba5c1c60ab91ec402eb16e30a2c33b9f7c8c1af26fdcf9749a0c6b00d9 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/USNO18613804.
Recording identifiers
- ISRC
- USNO18613804
- Title
- Sextet: 4th Movement
- Artist
- Steve Reich
- CopyrightID (CopyrightChains transaction hash)
0x88f1aeba5c1c60ab91ec402eb16e30a2c33b9f7c8c1af26fdcf9749a0c6b00d9
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T19:35:34+00:00
- Bitcoin block
- 960138
- Canonical record hash
sha256:76cf9e0b8b447270b25cb2cf252c9075b00418def49b560c452b00fbcaa4e8b9- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USNO18613804
- Bitcoin block existence check
- https://blockstream.info/api/block/960138