ISRC USQ5Z1100019
Verified recording
USQ5Z1100019 is “David Wark” by Yo La Tengo,
registered on the CopyrightChains blockchain with CopyrightID
0x881fd0b40479e807cd283f0e85d0ae1b59ca75577027b39c4cd3843ff0b9c5b5 and independently timestamped
in Bitcoin block 956304 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USQ5Z1100019.
Recording identifiers
- ISRC
- USQ5Z1100019
- Title
- David Wark
- Artist
- Yo La Tengo
- CopyrightID (CopyrightChains transaction hash)
0x881fd0b40479e807cd283f0e85d0ae1b59ca75577027b39c4cd3843ff0b9c5b5
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:dad6c870237102aaf1faa4a7e0a9e63424688164526ea7b41073fd2bd7777d7a- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USQ5Z1100019
- Bitcoin block existence check
- https://blockstream.info/api/block/956304