Como Urpilita Perdida

Recording by Mercedes Sosa.

Recording identifiers

ISRC
ARF099800066
CopyrightID (CopyrightChains transaction hash)
0x0a1b7156a70e447bfa1f269f7602e8bb8cc5a806331944faefc4e5b0dbe3b200
Copyright registration time
2026-06-23T07:43:46+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:a56f646af9fd963b3e6be19975e99cb3b99f4ec47c5d0ecbfa1ac191799c4dbb

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.