ISRC QZWDD2213357
Verified recording
QZWDD2213357 is “In the Bleak Midwinter” by Jonathan Hannau,
registered on the CopyrightChains blockchain with CopyrightID
0x07e893cef44e317c13c12e0b3f7b2d6e099c408548308e08c322b6754ecd8843 and independently timestamped
in Bitcoin block 960250 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZWDD2213357.
Recording identifiers
- ISRC
- QZWDD2213357
- Title
- In the Bleak Midwinter
- Artist
- Jonathan Hannau
- CopyrightID (CopyrightChains transaction hash)
0x07e893cef44e317c13c12e0b3f7b2d6e099c408548308e08c322b6754ecd8843
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T11:13:28+00:00
- Bitcoin block
- 960250
- Canonical record hash
sha256:42fd7c0e6bce8d780f9706787e5680cc94a0bb63272fe4967793bce26d2834af- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZWDD2213357
- Bitcoin block existence check
- https://blockstream.info/api/block/960250
Full record
Track page: In the Bleak Midwinter · Machine-readable JSON-LD