ISRC USQ4E2101144
Verified recording
USQ4E2101144 is “Jacob” by Stefan Wesołowski,
registered on the CopyrightChains blockchain with CopyrightID
0x1d54313aa1acc461e5511664c7f4a03008d86c911115794b4d7e92c5741c195e and independently timestamped
in Bitcoin block 957120 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USQ4E2101144.
Recording identifiers
- ISRC
- USQ4E2101144
- Title
- Jacob
- Artist
- Stefan Wesołowski
- CopyrightID (CopyrightChains transaction hash)
0x1d54313aa1acc461e5511664c7f4a03008d86c911115794b4d7e92c5741c195e
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:22:41+00:00
- Bitcoin block
- 957120
- Canonical record hash
sha256:567c210f08e41f6485130c03d5c8d6d06719827d1c2598ff3c87c03358cdaefa- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USQ4E2101144
- Bitcoin block existence check
- https://blockstream.info/api/block/957120