ISRC GBF079912081
Verified recording
GBF079912081 is “Symphony No. 4 in G: 1. Bedächtig. Nicht eilen” by Gustav Mahler,
registered on the CopyrightChains blockchain with CopyrightID
0x91a9e5fce1182e1fb16c28fbf7af8d133b9b2fde49e8cfd0974edac109f0ec25 and independently timestamped
in Bitcoin block 960317 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF079912081.
Recording identifiers
- ISRC
- GBF079912081
- Title
- Symphony No. 4 in G: 1. Bedächtig. Nicht eilen
- Artist
- Gustav Mahler
- CopyrightID (CopyrightChains transaction hash)
0x91a9e5fce1182e1fb16c28fbf7af8d133b9b2fde49e8cfd0974edac109f0ec25
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T21:35:24+00:00
- Bitcoin block
- 960317
- Canonical record hash
sha256:4ecb5e3736bf98b65d1d189829a82ae4ac635e7a856a23cf1f56c9d38e713489- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF079912081
- Bitcoin block existence check
- https://blockstream.info/api/block/960317
Full record
Track page: Symphony No. 4 in G: 1. Bedächtig. Nicht eilen · Machine-readable JSON-LD