Tango - From "Agony"

Recording by Alfred Schnittke.

Recording identifiers

ISRC
DEN962130413
CopyrightID (CopyrightChains transaction hash)
0xbf5c2dec4eb424726d625014566e88a1a6523b57deaf4719f670d2273602f74e
Copyright registration time
2026-06-26T22:37:25+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:8919cc4297ff741f73261a437d89fae45d4c672d920d934abe16933807c2677e

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.