ISRC USQ4E2400790

Verified recording

USQ4E2400790 is “Zurich” by David Holmes, registered on the CopyrightChains blockchain with CopyrightID 0x152b80330b4ef8a54a93e16610e4c3a38801c9f6ecdd0dfd814ec35eeeda9056 and independently timestamped in Bitcoin block 953520 on 2026-06-13. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USQ4E2400790.

Recording identifiers

ISRC
USQ4E2400790
Title
Zurich
Artist
David Holmes
CopyrightID (CopyrightChains transaction hash)
0x152b80330b4ef8a54a93e16610e4c3a38801c9f6ecdd0dfd814ec35eeeda9056

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09+00:00
Bitcoin block
953520
Canonical record hash
sha256:3de5bcc529f0e4c6745a5178cddd8df46c94411220657dfa615249743d7a69c3
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USQ4E2400790
Bitcoin block existence check
https://blockstream.info/api/block/953520

Full record

Track page: Zurich · Machine-readable JSON-LD