Ty Jsi Tam, Já Jsem Tu

Recording by Marie Rottrova.

Recording identifiers

ISRC
CZA168700046
CopyrightID (CopyrightChains transaction hash)
0x9c71e16469c794189740820172f67aea5db526a1bb3fdb34dd505d9c48520ed9
Copyright registration time
2026-07-30T02:20:25+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T02:37:10Z
Bitcoin block
960200
Canonical record hash
sha256:03334610b37c9d164d653f9f07060932cf524532d7e4344253b02299290c4e7c

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.