Autodefensa

Recording by Xavi Sarrià.

Recording identifiers

ISRC
ES8022200109
CopyrightID (CopyrightChains transaction hash)
0xa2853ef1000667220cc6ea473c7a542aa1a1526206edcac6bd5bfe20e989634c
Copyright registration time
2026-06-19T06:14:24+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:c78410dd6e5648e74f1c681c22ea57de30476b8531a2f0fffdcdfaf309dde221

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.