ISRC USRH10450822

Verified recording

USRH10450822 is “25 or 6 to 4 - Live at Carnegie Hall, New York, NY, April 5-10, 1971” by Chicago, registered on the CopyrightChains blockchain with CopyrightID 0xdc305345353002f4f31344fdbfd24f6f9d4e7393694d1d3820cc87b5279b74be and independently timestamped in Bitcoin block 956375 on 2026-07-02. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USRH10450822.

Recording identifiers

ISRC
USRH10450822
Title
25 or 6 to 4 - Live at Carnegie Hall, New York, NY, April 5-10, 1971
Artist
Chicago
CopyrightID (CopyrightChains transaction hash)
0xdc305345353002f4f31344fdbfd24f6f9d4e7393694d1d3820cc87b5279b74be

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-02T16:51:38+00:00
Bitcoin block
956375
Canonical record hash
sha256:4860f7d6ae113f925af9bf64a3f237a70d67934478d8d7a3e479765d21922db2
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USRH10450822
Bitcoin block existence check
https://blockstream.info/api/block/956375

Full record

Track page: 25 or 6 to 4 - Live at Carnegie Hall, New York, NY, April 5-10, 1971 · Machine-readable JSON-LD