Los Angeles Times

Recording by Big Sad 1900.

Recording identifiers

ISRC
QZTB82377360
CopyrightID (CopyrightChains transaction hash)
0x0b33c5bfa4a9adcb3212cb8d15ed0af110751aac25e5747578a998c7e88a6daa
Copyright registration time
2026-06-19T12:13:59+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:87082a5118f1d1ab242ffead19eb04ca24385c38b9ba8a06f0a790a7f42c158a

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.