ISRC QZWFU2440335
Verified recording
QZWFU2440335 is “MARATON” by Jakub Haa,
registered on the CopyrightChains blockchain with CopyrightID
0x94e79acf1e85f230835ea246baca2d3929e6413da4c9d50029a283e5ced6a8b5 and independently timestamped
in Bitcoin block 960448 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZWFU2440335.
Recording identifiers
- ISRC
- QZWFU2440335
- Title
- MARATON
- Artist
- Jakub Haa
- CopyrightID (CopyrightChains transaction hash)
0x94e79acf1e85f230835ea246baca2d3929e6413da4c9d50029a283e5ced6a8b5
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T18:48:12+00:00
- Bitcoin block
- 960448
- Canonical record hash
sha256:ab89d3f01a989e115230ae180ca0f0bd1c1f228d6adb26833885e13795336e2f- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZWFU2440335
- Bitcoin block existence check
- https://blockstream.info/api/block/960448