Perchance

Recording by Zbigniew Preisner.

Recording identifiers

ISRC
NLD700700001
CopyrightID (CopyrightChains transaction hash)
0x8e15055431af2c0eb26a2d2f8d161c2ff6637ce8728256f739ce7a7952c15607
Copyright registration time
2026-06-24T18:07:32+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:322cb8408296168914d35c9bfff63683462d06022722ac4d9f80d2a089158c3f

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.