ISRC FINDE2200017
Verified recording
FINDE2200017 is “Hymns & Variations: Var. 8” by John Cage,
registered on the CopyrightChains blockchain with CopyrightID
0x8ff370d4bc314a18260d94c9dbd6b5cac18f3db5d07825e723b2adcf5db8245c and independently timestamped
in Bitcoin block 960478 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FINDE2200017.
Recording identifiers
- ISRC
- FINDE2200017
- Title
- Hymns & Variations: Var. 8
- Artist
- John Cage
- CopyrightID (CopyrightChains transaction hash)
0x8ff370d4bc314a18260d94c9dbd6b5cac18f3db5d07825e723b2adcf5db8245c
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T23:30:38+00:00
- Bitcoin block
- 960478
- Canonical record hash
sha256:fb6346bed9dea84619cc435d5f7ff25f0d4cee56992744c301ee9a0cef72a6e3- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FINDE2200017
- Bitcoin block existence check
- https://blockstream.info/api/block/960478
Full record
Track page: Hymns & Variations: Var. 8 · Machine-readable JSON-LD