Los Restos de Esta Historia (feat. Iván Ferreiro)

Recording by Marwán.

Recording identifiers

ISRC
ES5021900032
CopyrightID (CopyrightChains transaction hash)
0x746e1bef06543f49c03354f1a9ac49e4c2771bd6a9c58f011e0c51abb3a6e45d
Copyright registration time
2026-07-06T10:32:41+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-06T23:19:16Z
Bitcoin block
956960
Canonical record hash
sha256:3adb13adf45bfff290b2e0185333e6aa32ec669d6eeb62f752acd1bed12d600e

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.