Polynya I

Recording by Thomas Köner.

Recording identifiers

ISRC
DECY52100826
CopyrightID (CopyrightChains transaction hash)
0x26ac5f506e320c9670eeddfa40596a9c79a255b0dd043c4e89434fe54f464231
Copyright registration time
2026-07-29T12:37:46+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T13:09:35Z
Bitcoin block
960108
Canonical record hash
sha256:3a7854e3b6c32dfb76495df42fb8a04ba9dc74616b9370cd3e08f8d0ea7d362d

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.