Otra Vez Dijo Que No

Recording by Calibre 50.

Recording identifiers

ISRC
QM2EJ1500187
CopyrightID (CopyrightChains transaction hash)
0x4b1daa2463bd8a4580e76c4e8ac2c6c645c3f858eab13caf68ee83002a09825b
Copyright registration time
2026-06-06T16:25:19+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:53:06Z
Bitcoin block
953515
Canonical record hash
sha256:81401dff34aa32abfbfc53455fab60b40a0ae3020bec3ed9c786ed91d1758a0d

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.