Deceptive Calm

Recording by Zbigniew Preisner.

Recording identifiers

ISRC
PLX352100053
CopyrightID (CopyrightChains transaction hash)
0x795e9b7ad73ce523397e1dec109135bf5084f4cbc7b41d68c367867a475a1f4d
Copyright registration time
2026-06-21T22:41:56+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:b217c430663d3ea4a9c6becb75f006c4f195d75bff31152ad7a52cd50905dd22

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.