ISRC GBF077010263
Verified recording
GBF077010263 is “Trumpet Concerto in E flat major: 3. Rondo” by Johann Nepomuk Hummel,
registered on the CopyrightChains blockchain with CopyrightID
0xebb2d8b57f5aa5e471baecbaa08b7459b91992fe76ccdf8f2b5722f3215e48eb and independently timestamped
in Bitcoin block 960481 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF077010263.
Recording identifiers
- ISRC
- GBF077010263
- Title
- Trumpet Concerto in E flat major: 3. Rondo
- Artist
- Johann Nepomuk Hummel
- CopyrightID (CopyrightChains transaction hash)
0xebb2d8b57f5aa5e471baecbaa08b7459b91992fe76ccdf8f2b5722f3215e48eb
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T23:51:35+00:00
- Bitcoin block
- 960481
- Canonical record hash
sha256:ad342e4eca17311c7aa083a9e77eaaeb7526fd4ae1f73f0125308512b1f7889a- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF077010263
- Bitcoin block existence check
- https://blockstream.info/api/block/960481
Full record
Track page: Trumpet Concerto in E flat major: 3. Rondo · Machine-readable JSON-LD