ISRC USL4Q1904265
Verified recording
USL4Q1904265 is “Brigid Falls” by David Hirschfelder,
registered on the CopyrightChains blockchain with CopyrightID
0x681cb085ba48935d5a14d95fb5afd499ac6393368b48f10bc571ae82386131ee and independently timestamped
in Bitcoin block 960489 on 2026-08-01.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USL4Q1904265.
Recording identifiers
- ISRC
- USL4Q1904265
- Title
- Brigid Falls
- Artist
- David Hirschfelder
- CopyrightID (CopyrightChains transaction hash)
0x681cb085ba48935d5a14d95fb5afd499ac6393368b48f10bc571ae82386131ee
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-08-01T00:40:43+00:00
- Bitcoin block
- 960489
- Canonical record hash
sha256:7e27daaadfc25f09d2ce686c111d060722c46536ffed04efa582f2d34cb5f495- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USL4Q1904265
- Bitcoin block existence check
- https://blockstream.info/api/block/960489