ISRC QM24S1927045
Verified recording
QM24S1927045 is “Hummingbird” by Mark Grundhoefer,
registered on the CopyrightChains blockchain with CopyrightID
0x0e677fa9b02307564d967504ebf4b1223d3936bb1928a535323ff52c193f8999 and independently timestamped
in Bitcoin block 956302 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM24S1927045.
Recording identifiers
- ISRC
- QM24S1927045
- Title
- Hummingbird
- Artist
- Mark Grundhoefer
- CopyrightID (CopyrightChains transaction hash)
0x0e677fa9b02307564d967504ebf4b1223d3936bb1928a535323ff52c193f8999
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:e487f123f87326b1181be54096011b9e13d67134e512e1c022efc4150e4c8cea- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM24S1927045
- Bitcoin block existence check
- https://blockstream.info/api/block/956302