ISRC GBPS81400016
Verified recording
GBPS81400016 is “Sixteen Waltzes, Op. 39: No. 15 in A-Flat Major” by Martin Jacoby,
registered on the CopyrightChains blockchain with CopyrightID
0xeaf61d99f4f13a96b3fdac35c89f06c5c412c5eef28c2d5721d948163d4775b7 and independently timestamped
in Bitcoin block 956304 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBPS81400016.
Recording identifiers
- ISRC
- GBPS81400016
- Title
- Sixteen Waltzes, Op. 39: No. 15 in A-Flat Major
- Artist
- Martin Jacoby
- CopyrightID (CopyrightChains transaction hash)
0xeaf61d99f4f13a96b3fdac35c89f06c5c412c5eef28c2d5721d948163d4775b7
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:8d725d1cdb23f8b4d128c1ea830e00287d09d09dfcadf78d0975f07a4bee3c0e- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBPS81400016
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: Sixteen Waltzes, Op. 39: No. 15 in A-Flat Major · Machine-readable JSON-LD