ISRC FINDE2200011
Verified recording
FINDE2200011 is “Hymns & Variations: Var. 2” by John Cage,
registered on the CopyrightChains blockchain with CopyrightID
0x0aeffbbfd4b900d2261e72462b50cbc355cdc92e9f6eb09046e6ddfca437ddb7 and independently timestamped
in Bitcoin block 960327 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FINDE2200011.
Recording identifiers
- ISRC
- FINDE2200011
- Title
- Hymns & Variations: Var. 2
- Artist
- John Cage
- CopyrightID (CopyrightChains transaction hash)
0x0aeffbbfd4b900d2261e72462b50cbc355cdc92e9f6eb09046e6ddfca437ddb7
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T00:26:26+00:00
- Bitcoin block
- 960327
- Canonical record hash
sha256:837527c48d36443501abe3d20a4c17aee2720f29808dc1960488a13bf4bbcfb9- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FINDE2200011
- Bitcoin block existence check
- https://blockstream.info/api/block/960327
Full record
Track page: Hymns & Variations: Var. 2 · Machine-readable JSON-LD