ISRC FINDE2200012
Verified recording
FINDE2200012 is “Hymns & Variations: Var. 3” by John Cage,
registered on the CopyrightChains blockchain with CopyrightID
0xe14d6cadbd8f577cb6113e4b692a7b233b3f16d2a7613505a3bdc2d36b9cd477 and independently timestamped
in Bitcoin block 960463 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FINDE2200012.
Recording identifiers
- ISRC
- FINDE2200012
- Title
- Hymns & Variations: Var. 3
- Artist
- John Cage
- CopyrightID (CopyrightChains transaction hash)
0xe14d6cadbd8f577cb6113e4b692a7b233b3f16d2a7613505a3bdc2d36b9cd477
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T20:42:35+00:00
- Bitcoin block
- 960463
- Canonical record hash
sha256:02dd30e00166124324c665eece0a6949f9ffaf95df6c402ae7c82dd8663c71d3- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FINDE2200012
- Bitcoin block existence check
- https://blockstream.info/api/block/960463
Full record
Track page: Hymns & Variations: Var. 3 · Machine-readable JSON-LD