ISRC USASX0616901
Verified recording
USASX0616901 is “Requiem, Op. 9: Introit” by Maurice Duruflé,
registered on the CopyrightChains blockchain with CopyrightID
0x81ac0f8fe0c7cba55f2d23e39a296bd3028ee21a7b7db218f57fc9ea2767cc14 and independently timestamped
in Bitcoin block 960160 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USASX0616901.
Recording identifiers
- ISRC
- USASX0616901
- Title
- Requiem, Op. 9: Introit
- Artist
- Maurice Duruflé
- CopyrightID (CopyrightChains transaction hash)
0x81ac0f8fe0c7cba55f2d23e39a296bd3028ee21a7b7db218f57fc9ea2767cc14
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T22:48:59+00:00
- Bitcoin block
- 960160
- Canonical record hash
sha256:61c4923f53328fb93553dd41cfe9d1d82dc7671d9137ef1df594db8fd6a07256- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USASX0616901
- Bitcoin block existence check
- https://blockstream.info/api/block/960160
Full record
Track page: Requiem, Op. 9: Introit · Machine-readable JSON-LD