ISRC GBBBB9606709
Verified recording
GBBBB9606709 is “Mass in D Minor - Missa in angustiis ("Nelson Mass"), Hob. XXII:11: Benedictus” by Joseph Haydn,
registered on the CopyrightChains blockchain with CopyrightID
0x8f23a4aa7f5b964885d6c31bd0a3efa19917b595c86df716e4e8e4f73398e92e and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBB9606709.
Recording identifiers
- ISRC
- GBBBB9606709
- Title
- Mass in D Minor - Missa in angustiis ("Nelson Mass"), Hob. XXII:11: Benedictus
- Artist
- Joseph Haydn
- CopyrightID (CopyrightChains transaction hash)
0x8f23a4aa7f5b964885d6c31bd0a3efa19917b595c86df716e4e8e4f73398e92e
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:ffbff7f3108d1ecdf636b8f8041905e15127a286a61ab2a6f5ff40b9427dd1a2- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBB9606709
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Mass in D Minor - Missa in angustiis ("Nelson Mass"), Hob. XXII:11: Benedictus · Machine-readable JSON-LD