Hear What I Say

Recording by Big Sad 1900.

Recording identifiers

ISRC
TCAFH2045637
CopyrightID (CopyrightChains transaction hash)
0xb08fde77b5b7f6f5a40cc1bfc2a602f26814f75f90ab5cb6debbda7178911a26
Copyright registration time
2026-07-30T14:24:24+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T14:44:50Z
Bitcoin block
960266
Canonical record hash
sha256:d312d6208e69d1daff287da9edafbfc07e525eac355e166a075df8d463874d96

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.