ISRC GBLWD9506402
Verified recording
GBLWD9506402 is “Ballade for Trombone and Orchestra” by Frank Martin,
registered on the CopyrightChains blockchain with CopyrightID
0x99519b4d1353e64ff5adee06f01c3195342c897092420f2732289eda50bacb11 and independently timestamped
in Bitcoin block 960448 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBLWD9506402.
Recording identifiers
- ISRC
- GBLWD9506402
- Title
- Ballade for Trombone and Orchestra
- Artist
- Frank Martin
- CopyrightID (CopyrightChains transaction hash)
0x99519b4d1353e64ff5adee06f01c3195342c897092420f2732289eda50bacb11
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T18:48:12+00:00
- Bitcoin block
- 960448
- Canonical record hash
sha256:b9ab405f02e78357c11a280ccf18179879dd74abd43185a497a0b263663fcf15- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBLWD9506402
- Bitcoin block existence check
- https://blockstream.info/api/block/960448
Full record
Track page: Ballade for Trombone and Orchestra · Machine-readable JSON-LD