Parallelograms

Recording by Linda Perhacs.

Recording identifiers

ISRC
USUM70996092
CopyrightID (CopyrightChains transaction hash)
0x20be7274037617d6e5a2747a9e669981bb615a20e77bc0ebfab58072ac608c57
Copyright registration time
2026-07-07T09:59:48+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:6bc423de5178aaa0fba91e9bea755ff246f079fb99c80ea9c9c6970e8538bc28

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.