Praha

Recording by Refew.

Recording identifiers

ISRC
CZK801700069
CopyrightID (CopyrightChains transaction hash)
0x146fc45fe49bfae3de64ef983d178c01337247766339f90e4dbcb0c02ba8ec3a
Copyright registration time
2026-06-19T15:43:59+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:95e3764d78a7fbfbbbe2dc3763b03e9610ee011e5ec70a5b2f1107412755c00a

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.