Poem

Recording by Zdeněk Fibich.

Recording identifiers

ISRC
NOFGG4104150
CopyrightID (CopyrightChains transaction hash)
0x64662ae1f45c7fea580dec2e6ef0ba4b40a153b2b93b84c219eb62c4a67ccd4a
Copyright registration time
2026-06-25T17:20:44+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:a5833506e6c7063406db032383acf2897ede18e46b6d0dd7d8e527d817f71dcf

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.