Tiempo de Vals

Recording by Miguel Nacel.

Recording identifiers

ISRC
USRMK1012502
CopyrightID (CopyrightChains transaction hash)
0x2d4bd11bf9ed5763ae1f03d21ed3f002a1bba1f6c8d163b8a9b29edff6dbe2d2
Copyright registration time
2026-07-07T02:55:55+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:8733decf9004f8d04cb682e73ffa26fab539f152e945056f4995344acea047f1

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.