ISRC USNO19745714
Verified recording
USNO19745714 is “Quodlibet” by John Cage,
registered on the CopyrightChains blockchain with CopyrightID
0x15aa4cd1e4126415e9065ec3f8bda32d151bfcc0725e650871be70692c6baa0d and independently timestamped
in Bitcoin block 960108 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USNO19745714.
Recording identifiers
- ISRC
- USNO19745714
- Title
- Quodlibet
- Artist
- John Cage
- CopyrightID (CopyrightChains transaction hash)
0x15aa4cd1e4126415e9065ec3f8bda32d151bfcc0725e650871be70692c6baa0d
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T13:09:35+00:00
- Bitcoin block
- 960108
- Canonical record hash
sha256:f1ced42b7115a90dc9e044c19d93003f9fe8a2bcdabc59f8fb3bd97cce405f52- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USNO19745714
- Bitcoin block existence check
- https://blockstream.info/api/block/960108