ISRC BER182279301
Verified recording
BER182279301 is “Four Walls, Act I: I” by John Cage,
registered on the CopyrightChains blockchain with CopyrightID
0x3b58282c2481435d8b184f30e302fc3684b209ee2013132aa9ba7bb1c503e2d4 and independently timestamped
in Bitcoin block 960254 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BER182279301.
Recording identifiers
- ISRC
- BER182279301
- Title
- Four Walls, Act I: I
- Artist
- John Cage
- CopyrightID (CopyrightChains transaction hash)
0x3b58282c2481435d8b184f30e302fc3684b209ee2013132aa9ba7bb1c503e2d4
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T12:06:10+00:00
- Bitcoin block
- 960254
- Canonical record hash
sha256:eba5f9527046be51f18ab5cfda3acf67c5988fec32c63be9d5bb36165bc808e3- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BER182279301
- Bitcoin block existence check
- https://blockstream.info/api/block/960254