ISRC FINDE2200008
Verified recording
FINDE2200008 is “Hymns & Variations: Hymn A (After W. Billing's "Old North")” by John Cage,
registered on the CopyrightChains blockchain with CopyrightID
0x7cadbd6cf5daa9b5162e693fe1b629942eb376811ad7391feb9471e216510f55 and independently timestamped
in Bitcoin block 960284 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FINDE2200008.
Recording identifiers
- ISRC
- FINDE2200008
- Title
- Hymns & Variations: Hymn A (After W. Billing's "Old North")
- Artist
- John Cage
- CopyrightID (CopyrightChains transaction hash)
0x7cadbd6cf5daa9b5162e693fe1b629942eb376811ad7391feb9471e216510f55
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T17:23:26+00:00
- Bitcoin block
- 960284
- Canonical record hash
sha256:3cc3412917a37bc2ee58bb6da50ec3a69958ac054d5973378be4323fa6a1b7f3- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FINDE2200008
- Bitcoin block existence check
- https://blockstream.info/api/block/960284
Full record
Track page: Hymns & Variations: Hymn A (After W. Billing's "Old North") · Machine-readable JSON-LD