How Do You Know

Recording by Cian Ducrot.

Recording identifiers

ISRC
GBUM72302269
CopyrightID (CopyrightChains transaction hash)
0x0fd4f2c7b648f427501ad758ee5497fe98d4c39b647c2ac643f6165a6d99ae35
Copyright registration time
2026-06-04T13:43:29+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:6e3a560df4c812c831f5bfd9eaddd7805a47836a2b4b00375850c259f76f29f1

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.