ISRC GBUM72407603
Verified recording
GBUM72407603 is “Piano Sonata No. 3 in B-Flat Major, K. 281: Allegro - Excerpt” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0x41529f9e3c0b9336220e5af18a7c1d1fd96fdf4d40e1ea76ed64e8f2b135dab4 and independently timestamped
in Bitcoin block 960138 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBUM72407603.
Recording identifiers
- ISRC
- GBUM72407603
- Title
- Piano Sonata No. 3 in B-Flat Major, K. 281: Allegro - Excerpt
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0x41529f9e3c0b9336220e5af18a7c1d1fd96fdf4d40e1ea76ed64e8f2b135dab4
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T19:35:34+00:00
- Bitcoin block
- 960138
- Canonical record hash
sha256:b0816709358d28d5c987e4fde22d5f7306bdf85dc5f6a1f799eaf057f89d4728- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBUM72407603
- Bitcoin block existence check
- https://blockstream.info/api/block/960138
Full record
Track page: Piano Sonata No. 3 in B-Flat Major, K. 281: Allegro - Excerpt · Machine-readable JSON-LD