B2B

Recording by Big Sad 1900.

Recording identifiers

ISRC
QZDA62084224
CopyrightID (CopyrightChains transaction hash)
0x9f60573288e72b4541d84e736b1d53cc2ef9ddcf376fa1df2695cce986b48089
Copyright registration time
2026-07-29T14:34:47+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T15:22:21Z
Bitcoin block
960121
Canonical record hash
sha256:3e522877a54ff948bddb2b4298a367326b5b8545cde6d00d465379c3fd9982ff

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.