ISRC QMZ621201576
Verified recording
QMZ621201576 is “Book Of The Unknown Standards: I. Esmeralda's Waltz” by Dušan Bogdanović,
registered on the CopyrightChains blockchain with CopyrightID
0xafb5398f9d0e548111a8c1b04c1c21276307924123f834efe9c16c26f21d2b91 and independently timestamped
in Bitcoin block 960397 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMZ621201576.
Recording identifiers
- ISRC
- QMZ621201576
- Title
- Book Of The Unknown Standards: I. Esmeralda's Waltz
- Artist
- Dušan Bogdanović
- CopyrightID (CopyrightChains transaction hash)
0xafb5398f9d0e548111a8c1b04c1c21276307924123f834efe9c16c26f21d2b91
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T12:24:41+00:00
- Bitcoin block
- 960397
- Canonical record hash
sha256:effb557c6addbfb19d0288125c0f47af14efa1e1261a2db60c6e17d195af0edb- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMZ621201576
- Bitcoin block existence check
- https://blockstream.info/api/block/960397
Full record
Track page: Book Of The Unknown Standards: I. Esmeralda's Waltz · Machine-readable JSON-LD