Un Día

Recording by Brahms.

Recording identifiers

ISRC
ESA012210143
CopyrightID (CopyrightChains transaction hash)
0x3dd461dbf1c1070e35a35f0eafecc60ed8274dcc97905515bc6ee1b50f9e6a18
Copyright registration time
2026-07-06T03:34:46+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-06T06:56:49Z
Bitcoin block
956889
Canonical record hash
sha256:65917913e2b5ad791045165f892c27cf57b33a05d2d9e9dfb65fbe57f19eaa9c

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.