Hummingbird

Recording by Mark Grundhoefer.

Recording identifiers

ISRC
QM24S1927045
CopyrightID (CopyrightChains transaction hash)
0x0e677fa9b02307564d967504ebf4b1223d3936bb1928a535323ff52c193f8999
Copyright registration time
2026-06-19T17:44:26+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:e487f123f87326b1181be54096011b9e13d67134e512e1c022efc4150e4c8cea

What this proof establishes

This recording belongs to ProofProfile's historical evidence base derived from the pre-2022 AcousticBrainz and MusicBrainz corpus. ISRC is the stable recording-level bridge from that source corpus to the authoritative cc-db-prod track record.

CopyrightChains and Bitcoin OpenTimestamps make the exact committed record independently verifiable today. The cryptographic proof does not by itself establish authorship or ownership of the underlying recording.

Read the complete pre-generative-AI provenance and verification method.