ISRC GBYLM1800046
Verified recording
GBYLM1800046 is “A Room (Arr. A. Larget-Caplan for Guitar)” by John Cage,
registered on the CopyrightChains blockchain with CopyrightID
0xa8eb58b1a890d541872b24031624ae19bfbec14447b4801cf7ecee1212efc07c and independently timestamped
in Bitcoin block 960403 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBYLM1800046.
Recording identifiers
- ISRC
- GBYLM1800046
- Title
- A Room (Arr. A. Larget-Caplan for Guitar)
- Artist
- John Cage
- CopyrightID (CopyrightChains transaction hash)
0xa8eb58b1a890d541872b24031624ae19bfbec14447b4801cf7ecee1212efc07c
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T13:04:34+00:00
- Bitcoin block
- 960403
- Canonical record hash
sha256:883d68f942a079b13445ba9b8de420ca2a5c2642cc09bbab630b830b24a5c84e- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBYLM1800046
- Bitcoin block existence check
- https://blockstream.info/api/block/960403
Full record
Track page: A Room (Arr. A. Larget-Caplan for Guitar) · Machine-readable JSON-LD