מטריה בשניים

Recording by Shula Chen.

Recording identifiers

ISRC
IL1010005455
Release date of the album this recording appears on
1973-01-01
CopyrightID (CopyrightChains transaction hash)
0xcbbf7287f127f0077dd3abec8b8fcf17fc18ffc91f29ba7fc6345767bdf3c0f5

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T09:50:11Z
Bitcoin block
960381
Canonical record hash
sha256:31939c519a569df34eabc71a906406ee0c5bb765d3dc7d409a52cb7a085ec011

What this proof establishes

This recording was released in 1973, before generative AI. ProofProfile's catalogue derives from the pre-2022 AcousticBrainz and MusicBrainz source corpus, and 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.