ISRC USUM71816504
Verified recording
USUM71816504 is “Tonk” by The Art Farmer Quartet,
registered on the CopyrightChains blockchain with CopyrightID
0x230a780e206a5ea830c6be090c53113c442ecd60c9a69b34fc7d2174ba7aafee 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/USUM71816504.
Recording identifiers
- ISRC
- USUM71816504
- Title
- Tonk
- Artist
- The Art Farmer Quartet
- CopyrightID (CopyrightChains transaction hash)
0x230a780e206a5ea830c6be090c53113c442ecd60c9a69b34fc7d2174ba7aafee
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T15:41:10+00:00
- Bitcoin block
- 953528
- Canonical record hash
sha256:b12bf371ee31f9a57308694eaba383282a2f55c11c8f5cc465a5b21f5dfa6471- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUM71816504
- Bitcoin block existence check
- https://blockstream.info/api/block/953528