Tango Bitterness

Recording by Charlie Chaplin.

Recording identifiers

ISRC
USWB11802603
CopyrightID (CopyrightChains transaction hash)
0xfd43d8477ca85948bcc297083898b03bb6f1eca148b0b7c8ecedc20e63b2faf0
Copyright registration time
2026-06-26T03:57:40+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:96c7581630564f83142a02062d5000ae6e9738edf1107417a5cf77fbf41cb713

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.