Purpura

Recording by Lucie Bílá.

Recording identifiers

ISRC
CZA161002796
CopyrightID (CopyrightChains transaction hash)
0x096ac2c767a3c4455e02f724faa39463ec781f688be52671857c400d25bbc31e
Copyright registration time
2026-06-22T06:28:52+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:ad457d370674de9f11e2ffe579c739a0486a34a0bdf092f5ce7c0ba3756b0e30

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.