ISRC FRX201511418
Verified recording
FRX201511418 is “13 Harmonies: No. 1, Old North - From "Apartment House 1776", No. 18, Arr. for Guitar” by John Cage,
registered on the CopyrightChains blockchain with CopyrightID
0x9fe189c8e8908cac175511bcb0bbf9a1cc8f517c4c481aedadc829d28975500c and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRX201511418.
Recording identifiers
- ISRC
- FRX201511418
- Title
- 13 Harmonies: No. 1, Old North - From "Apartment House 1776", No. 18, Arr. for Guitar
- Artist
- John Cage
- CopyrightID (CopyrightChains transaction hash)
0x9fe189c8e8908cac175511bcb0bbf9a1cc8f517c4c481aedadc829d28975500c
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:108d5f6a63d80803951e01138e4352b7f13844d1f0f2a556e89ef701e16b103b- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRX201511418
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: 13 Harmonies: No. 1, Old North - From "Apartment House 1776", No. 18, Arr. for Guitar · Machine-readable JSON-LD