Question '99

Recording by Markos 13.

Recording identifiers

ISRC
ES5379900126
CopyrightID (CopyrightChains transaction hash)
0xe7bb0cf8823bba569cab86cd6b56c80a38c089a536943e79107f4c050b4b231d
Copyright registration time
2026-06-19T15:50:05+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:f68adfbfb2115160b125ab010b1faf8c875e9b50a730909f9ec431056573ef25

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.