To Ty Nejsi

Recording by Petra Janů.

Recording identifiers

ISRC
CZA161701591
CopyrightID (CopyrightChains transaction hash)
0xdd15682932941f8965776b92e6c8c2981eea6bfb92e8ab50f490919c165020c2
Copyright registration time
2026-07-31T18:39:34+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T19:53:57Z
Bitcoin block
960456
Canonical record hash
sha256:b4b5a38409976875124bd982616a34c1d1f0401d4152109740f2a1e271594534

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.