The Last Woman

Recording by Astor Piazzolla.

Recording identifiers

ISRC
HKI190132903
CopyrightID (CopyrightChains transaction hash)
0x3c2db69d982c7c05062a100d49f9bf19f55647f0692d2effcf55956998ca829f
Copyright registration time
2026-07-30T16:55:47+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T17:26:40Z
Bitcoin block
960285
Canonical record hash
sha256:d19b09492131ed130babf3fd48888b5fce0e6f674b0514f813b51d28cd5eba66

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.