Treny alef

Recording by Zbigniew Preisner.

Recording identifiers

ISRC
GBE7J1012013
CopyrightID (CopyrightChains transaction hash)
0x97b60696921b9be7c208c7bd2a89ebe3b5bd429b563a7d14574a8ad4f6d1d1bf
Copyright registration time
2026-07-30T17:58:29+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T20:09:33Z
Bitcoin block
960302
Canonical record hash
sha256:e898cadcb8dcc19a19fd3575293b6d871a28a11e730f7c12dc03ea3c1347c77c

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.