Number Seven

Recording by Marc Streitenfeld.

Recording identifiers

ISRC
USNLR2200333
CopyrightID (CopyrightChains transaction hash)
0x12c5ec5a5f95911fdd1bb0514f019d5650ae5aa6a71a837114a5d38bb3581dfb
Copyright registration time
2026-07-07T00:36:05+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:776f36015c993b39589a75cfdecf1ad8304a024be6a3ad4c5e878dc6baa9dd1b

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.