ISRC GBAYC0000509
Verified recording
GBAYC0000509 is “Blacher: Aprèslude, Op. 57: No. 2, Worte” by Boris Blacher,
registered on the CopyrightChains blockchain with CopyrightID
0x32f00cd765c8b14b8963dbe12e24d444f2d84b03905b6a63f501ae96d5a33e36 and independently timestamped
in Bitcoin block 960284 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC0000509.
Recording identifiers
- ISRC
- GBAYC0000509
- Title
- Blacher: Aprèslude, Op. 57: No. 2, Worte
- Artist
- Boris Blacher
- CopyrightID (CopyrightChains transaction hash)
0x32f00cd765c8b14b8963dbe12e24d444f2d84b03905b6a63f501ae96d5a33e36
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T17:23:26+00:00
- Bitcoin block
- 960284
- Canonical record hash
sha256:402e202a7fc1f6ba4eb21fc406afe1db3797047f7dbec83397a97d3ea93c94f5- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC0000509
- Bitcoin block existence check
- https://blockstream.info/api/block/960284
Full record
Track page: Blacher: Aprèslude, Op. 57: No. 2, Worte · Machine-readable JSON-LD