ISRC QZTKB2100015
Verified recording
QZTKB2100015 is “Improvise” by Anders Osborne,
registered on the CopyrightChains blockchain with CopyrightID
0x12dd3b401a5396cfbaf65cf9431a9dc6d2cf083fc302b1e56741ed0e0ffe66b0 and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTKB2100015.
Recording identifiers
- ISRC
- QZTKB2100015
- Title
- Improvise
- Artist
- Anders Osborne
- CopyrightID (CopyrightChains transaction hash)
0x12dd3b401a5396cfbaf65cf9431a9dc6d2cf083fc302b1e56741ed0e0ffe66b0
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:a72b71ed4efe31aac373eb2f1a593dbffe125b697da4d583776694327ddd6514- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTKB2100015
- Bitcoin block existence check
- https://blockstream.info/api/block/957118