ISRC GBF078911131
Verified recording
GBF078911131 is “Das klagende Lied: Part 1: Waldmärchen” by Gustav Mahler,
registered on the CopyrightChains blockchain with CopyrightID
0x9d736820ad749e57e2decc2e16fa028f206f595daf86ad7781cc2fd764a9c4b2 and independently timestamped
in Bitcoin block 960441 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF078911131.
Recording identifiers
- ISRC
- GBF078911131
- Title
- Das klagende Lied: Part 1: Waldmärchen
- Artist
- Gustav Mahler
- CopyrightID (CopyrightChains transaction hash)
0x9d736820ad749e57e2decc2e16fa028f206f595daf86ad7781cc2fd764a9c4b2
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T17:29:52+00:00
- Bitcoin block
- 960441
- Canonical record hash
sha256:439b9b7bb702b6247dab16c4953bf4b960ad223cf18cef6227c1451888b060dc- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF078911131
- Bitcoin block existence check
- https://blockstream.info/api/block/960441
Full record
Track page: Das klagende Lied: Part 1: Waldmärchen · Machine-readable JSON-LD