Que Ironia

Recording by Marcos Jr..

Recording identifiers

ISRC
CA5KR2020510
CopyrightID (CopyrightChains transaction hash)
0x7e70f7ca541b7491d3fad515b219bcae4bc982ed922e8489016b7c7d7fef4703
Copyright registration time
2026-07-07T00:58:58+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:89b260dbece3b3f748e02da11815e9f1b95a448a4ebe18756a77c46f324e95ca

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.