ISRC USL4Q2233109
Verified recording
USL4Q2233109 is “Start of a Friendship” by Erik Osvald,
registered on the CopyrightChains blockchain with CopyrightID
0x3f14985ee8bfbb358bdc57829f68722c83c25dedcda9e16cb9e9f0de1c634b0c and independently timestamped
in Bitcoin block 960418 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USL4Q2233109.
Recording identifiers
- ISRC
- USL4Q2233109
- Title
- Start of a Friendship
- Artist
- Erik Osvald
- CopyrightID (CopyrightChains transaction hash)
0x3f14985ee8bfbb358bdc57829f68722c83c25dedcda9e16cb9e9f0de1c634b0c
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T15:20:15+00:00
- Bitcoin block
- 960418
- Canonical record hash
sha256:6399b9e189ab322293a1ff41df07f8bafda5098112c0022a3449efa167efe9a4- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USL4Q2233109
- Bitcoin block existence check
- https://blockstream.info/api/block/960418
Full record
Track page: Start of a Friendship · Machine-readable JSON-LD