ISRC USUM71604834
Verified recording
USUM71604834 is “Blues (Fast) - Alternate Take 372-6” by Charlie Parker Quartet,
registered on the CopyrightChains blockchain with CopyrightID
0x2f86c5c3eaf2e6852573b0ac1f3117ff213142e1c64879e9ce50b03f80842ac4 and independently timestamped
in Bitcoin block 960368 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUM71604834.
Recording identifiers
- ISRC
- USUM71604834
- Title
- Blues (Fast) - Alternate Take 372-6
- Artist
- Charlie Parker Quartet
- CopyrightID (CopyrightChains transaction hash)
0x2f86c5c3eaf2e6852573b0ac1f3117ff213142e1c64879e9ce50b03f80842ac4
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T08:26:41+00:00
- Bitcoin block
- 960368
- Canonical record hash
sha256:544bcf4373b332ecd94aef79487df248c062f73bca20ab596ad0e29e152339ee- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUM71604834
- Bitcoin block existence check
- https://blockstream.info/api/block/960368
Full record
Track page: Blues (Fast) - Alternate Take 372-6 · Machine-readable JSON-LD