Four Sided Triangle

Recording by Under the Pier.

Recording identifiers

ISRC
USDY42050338
CopyrightID (CopyrightChains transaction hash)
0xa93be80a3ce1f09a4785c90c1d95cbb319d2eadae9139f23d6b32ff98f7e1509
Copyright registration time
2026-07-08T00:29:25+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:c5474ac2743c0d51bf7d84da0ba8225dbf1b9dc786b62dbdf633416729b9ca58

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.