Por el Cu

Recording by La Greña.

Recording identifiers

ISRC
QZTVM2414520
CopyrightID (CopyrightChains transaction hash)
0x043241416415c106d397ce161f6d554992135b6a95918fd2ee171a02e3c26c8a
Copyright registration time
2026-07-30T13:58:28+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T14:36:16Z
Bitcoin block
960264
Canonical record hash
sha256:c31e14b3c627e0a7824809f690a750f9b8a178a63b388e6b82f3c187e517f612

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.