Razítka

Recording by Jan Nedved.

Recording identifiers

ISRC
CZA100110081
CopyrightID (CopyrightChains transaction hash)
0xfd5a1b6c720595a1f08247ba2c596b890e53b6676354e15f6c3f98aa7e472b3a
Copyright registration time
2026-06-09T01:43:24+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:2e86bdf1b401b0b0d217cd98893ea206dba15dda929ba7c96ba5ce204b166ec6

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.