ISRC GBPFW2100272
Verified recording
GBPFW2100272 is “Hassler: Missa VIII Octo vocum: I. Kyrie” by Hans Leo Hassler,
registered on the CopyrightChains blockchain with CopyrightID
0x4b73999b878d016a97069bc67822b4aa8c24f1f011b9b2f3efdaa23d2ad39237 and independently timestamped
in Bitcoin block 960240 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBPFW2100272.
Recording identifiers
- ISRC
- GBPFW2100272
- Title
- Hassler: Missa VIII Octo vocum: I. Kyrie
- Artist
- Hans Leo Hassler
- CopyrightID (CopyrightChains transaction hash)
0x4b73999b878d016a97069bc67822b4aa8c24f1f011b9b2f3efdaa23d2ad39237
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T09:57:33+00:00
- Bitcoin block
- 960240
- Canonical record hash
sha256:f17d5a13d8cea358d66f6e39769597cfa937361fa53c82e80b2a01f76fd15cf3- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBPFW2100272
- Bitcoin block existence check
- https://blockstream.info/api/block/960240
Full record
Track page: Hassler: Missa VIII Octo vocum: I. Kyrie · Machine-readable JSON-LD