Ty Spíš

Recording by Janek Ledecky.

Recording identifiers

ISRC
CZA540685301
CopyrightID (CopyrightChains transaction hash)
0xee7061c410ff66f5d93086e7db36c9918614df6eca72f8b7f9c1f0c1d7363ab6
Copyright registration time
2026-06-24T23:37:30+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:c11698fdd80f48f8a4a587b00358a32605314b249b490e189feab7693a3e8e94

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.