ISRC CALC41100752
Verified recording
CALC41100752 is “The Chairman's Waltz (From "Memoirs of a Geisha")” by John Williams,
registered on the CopyrightChains blockchain with CopyrightID
0x33808d642374b05e79318368d6b127fc06041e4dc79eb7c74f321196e4ba728d and independently timestamped
in Bitcoin block 953528 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CALC41100752.
Recording identifiers
- ISRC
- CALC41100752
- Title
- The Chairman's Waltz (From "Memoirs of a Geisha")
- Artist
- John Williams
- CopyrightID (CopyrightChains transaction hash)
0x33808d642374b05e79318368d6b127fc06041e4dc79eb7c74f321196e4ba728d
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T15:41:10+00:00
- Bitcoin block
- 953528
- Canonical record hash
sha256:82966d324b804cf280a4a40afbd3480402a968ff22446ca44a5e12474e526d49- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CALC41100752
- Bitcoin block existence check
- https://blockstream.info/api/block/953528
Full record
Track page: The Chairman's Waltz (From "Memoirs of a Geisha") · Machine-readable JSON-LD