ISRC GBLWD0509101
Verified recording
GBLWD0509101 is “Requiem, Op. 9: I. Introit” by Maurice Duruflé,
registered on the CopyrightChains blockchain with CopyrightID
0x504aea15404a5dfb53f6f8a0f79016577f6415c8cc452b8e32b54f5b0277b276 and independently timestamped
in Bitcoin block 960481 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBLWD0509101.
Recording identifiers
- ISRC
- GBLWD0509101
- Title
- Requiem, Op. 9: I. Introit
- Artist
- Maurice Duruflé
- CopyrightID (CopyrightChains transaction hash)
0x504aea15404a5dfb53f6f8a0f79016577f6415c8cc452b8e32b54f5b0277b276
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T23:51:35+00:00
- Bitcoin block
- 960481
- Canonical record hash
sha256:9c0d6444a6226e235d0574abff6bd6d12f0f9bba65760d9d910722aaebe8dcfe- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBLWD0509101
- Bitcoin block existence check
- https://blockstream.info/api/block/960481
Full record
Track page: Requiem, Op. 9: I. Introit · Machine-readable JSON-LD