ISRC GBF077000081
Verified recording
GBF077000081 is “Symphony No. 5: I. Trauermarsch” by Gustav Mahler,
registered on the CopyrightChains blockchain with CopyrightID
0x0ef00ff6f7f5b520a683540252aadf58d2f579539e2ab6f83629157af5e2cead and independently timestamped
in Bitcoin block 960207 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF077000081.
Recording identifiers
- ISRC
- GBF077000081
- Title
- Symphony No. 5: I. Trauermarsch
- Artist
- Gustav Mahler
- CopyrightID (CopyrightChains transaction hash)
0x0ef00ff6f7f5b520a683540252aadf58d2f579539e2ab6f83629157af5e2cead
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T04:47:22+00:00
- Bitcoin block
- 960207
- Canonical record hash
sha256:43f1dd5e584df1ab38ccd5824f442c8b6a1faa59cdcf42b390081c73dba4236a- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF077000081
- Bitcoin block existence check
- https://blockstream.info/api/block/960207
Full record
Track page: Symphony No. 5: I. Trauermarsch · Machine-readable JSON-LD