Late Night Sorrow

Recording by Toti Cisneros.

Recording identifiers

ISRC
USANG2433695
CopyrightID (CopyrightChains transaction hash)
0x20dfa452e200b67bfca7b44df334a2ece138a15cc5e60c1de6c53174c94d8f57
Copyright registration time
2026-06-04T15:41:32+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:6f7215b23daedf12a20b856df12e54276e9b298208a815386ffeb7c11517301c

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.