Door With No Sign

Recording by Jefre Cantu-Ledesma.

Recording identifiers

ISRC
QMV8L2029713
CopyrightID (CopyrightChains transaction hash)
0xfd4b81136c917d9795e3f0ac9704c7fcee02bf77b71969e58a945bdc030cba87
Copyright registration time
2026-06-07T17:23:05+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:53:06Z
Bitcoin block
953515
Canonical record hash
sha256:8f416c4f199149a62c2a18914b14bfbaccafe69f8dc134f7f094de257c20bf66

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.