ISRC DEB331126809
Verified recording
DEB331126809 is “Three Songs: II. Is It As It Was” by John Cage,
registered on the CopyrightChains blockchain with CopyrightID
0x0c12a945a2446f461bf0020cf4a8357ecfa9dee2ad63f2132a8b2a21ca34f964 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/DEB331126809.
Recording identifiers
- ISRC
- DEB331126809
- Title
- Three Songs: II. Is It As It Was
- Artist
- John Cage
- CopyrightID (CopyrightChains transaction hash)
0x0c12a945a2446f461bf0020cf4a8357ecfa9dee2ad63f2132a8b2a21ca34f964
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T23:30:38+00:00
- Bitcoin block
- 960478
- Canonical record hash
sha256:d41a41254edb47040081b20fe71512236691b853dcbb3b4f947e75b5426c7552- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEB331126809
- Bitcoin block existence check
- https://blockstream.info/api/block/960478
Full record
Track page: Three Songs: II. Is It As It Was · Machine-readable JSON-LD