ISRC GBAJY2239213
Verified recording
GBAJY2239213 is “3 Popular Rags: No. 3, Last Rag” by William Bolcom,
registered on the CopyrightChains blockchain with CopyrightID
0x5583bd049938c65bad6ccf0b2848da6609c33a09e240e6887a4ab9a250124ef4 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/GBAJY2239213.
Recording identifiers
- ISRC
- GBAJY2239213
- Title
- 3 Popular Rags: No. 3, Last Rag
- Artist
- William Bolcom
- CopyrightID (CopyrightChains transaction hash)
0x5583bd049938c65bad6ccf0b2848da6609c33a09e240e6887a4ab9a250124ef4
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T19:35:34+00:00
- Bitcoin block
- 960138
- Canonical record hash
sha256:670da139492f214ab73ff6604257f2680b4b716832d065d1df454519cff0fcaa- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAJY2239213
- Bitcoin block existence check
- https://blockstream.info/api/block/960138
Full record
Track page: 3 Popular Rags: No. 3, Last Rag · Machine-readable JSON-LD