ISRC USL4Q1904273
Verified recording
USL4Q1904273 is “No Promises” by David Hirschfelder,
registered on the CopyrightChains blockchain with CopyrightID
0x3eaba8aaaf17a04fa1a854af7533fb641898ee41946ec8c33152face658314aa and independently timestamped
in Bitcoin block 957819 on 2026-07-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USL4Q1904273.
Recording identifiers
- ISRC
- USL4Q1904273
- Title
- No Promises
- Artist
- David Hirschfelder
- CopyrightID (CopyrightChains transaction hash)
0x3eaba8aaaf17a04fa1a854af7533fb641898ee41946ec8c33152face658314aa
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-13T07:53:33+00:00
- Bitcoin block
- 957819
- Canonical record hash
sha256:75170e8b95eb059620dfc3241ecc4b557e0695ecd115391774d61697ffe74324- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USL4Q1904273
- Bitcoin block existence check
- https://blockstream.info/api/block/957819