ISRC US4BP2132701
Verified recording
US4BP2132701 is “Swinging” by John Cage,
registered on the CopyrightChains blockchain with CopyrightID
0xe02cace714f1d70d99ebeb29c19c4bccb15fe432c7005045338a7291977bd194 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/US4BP2132701.
Recording identifiers
- ISRC
- US4BP2132701
- Title
- Swinging
- Artist
- John Cage
- CopyrightID (CopyrightChains transaction hash)
0xe02cace714f1d70d99ebeb29c19c4bccb15fe432c7005045338a7291977bd194
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:360b5218b29b19a809622ad7ac3f95fec81e4a5c77f1de3ba53e0667b83e7f26- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US4BP2132701
- Bitcoin block existence check
- https://blockstream.info/api/block/957118