ISRC GBAYC1300469
Verified recording
GBAYC1300469 is “Mahler: Piano Quartet in A Minor: I. Nicht zu schnell” by Gustav Mahler,
registered on the CopyrightChains blockchain with CopyrightID
0x389b030f69237da528bc8a2d6121c14f62d0982fa75af8f35c662e841e21d5f8 and independently timestamped
in Bitcoin block 960303 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1300469.
Recording identifiers
- ISRC
- GBAYC1300469
- Title
- Mahler: Piano Quartet in A Minor: I. Nicht zu schnell
- Artist
- Gustav Mahler
- CopyrightID (CopyrightChains transaction hash)
0x389b030f69237da528bc8a2d6121c14f62d0982fa75af8f35c662e841e21d5f8
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T20:11:13+00:00
- Bitcoin block
- 960303
- Canonical record hash
sha256:7f2fe8ad26e91a5c8c0f7a4db3eae9f599d4ccf80d63a2b97b7927ecc34857ed- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1300469
- Bitcoin block existence check
- https://blockstream.info/api/block/960303
Full record
Track page: Mahler: Piano Quartet in A Minor: I. Nicht zu schnell · Machine-readable JSON-LD