ISRC GBBBA0301091
Verified recording
GBBBA0301091 is “Symphony No. 3 in D Minor / Pt. 1: 1. Kräftig. Entschieden” by Gustav Mahler,
registered on the CopyrightChains blockchain with CopyrightID
0x26723ada5ce71c8ce37a3b4631ec78c8f17647466668a4c90d57176a22a8291d and independently timestamped
in Bitcoin block 960273 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBA0301091.
Recording identifiers
- ISRC
- GBBBA0301091
- Title
- Symphony No. 3 in D Minor / Pt. 1: 1. Kräftig. Entschieden
- Artist
- Gustav Mahler
- CopyrightID (CopyrightChains transaction hash)
0x26723ada5ce71c8ce37a3b4631ec78c8f17647466668a4c90d57176a22a8291d
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T15:42:38+00:00
- Bitcoin block
- 960273
- Canonical record hash
sha256:f44b9c3266a9cc75b5b23e7a1a8ab5d597d2430dc7ad4ead956442383ec2541d- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBA0301091
- Bitcoin block existence check
- https://blockstream.info/api/block/960273
Full record
Track page: Symphony No. 3 in D Minor / Pt. 1: 1. Kräftig. Entschieden · Machine-readable JSON-LD