Polaroid - Versión acústica

Recording by Rulo y la contrabanda.

Recording identifiers

ISRC
ES5151901342
CopyrightID (CopyrightChains transaction hash)
0x32300364dee6409abdbdc6dd520f866233876dd8495088ce9721274d64b911e6
Copyright registration time
2026-07-07T00:31:14+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:3cbe8328180c32cdb284f5be901929f92a9a268e3b98c0be6dffc4fbde2bb24d

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.