Sputnik

Recording by Cassol.

Recording identifiers

ISRC
QZNJW2409228
CopyrightID (CopyrightChains transaction hash)
0xba9bfbacf4d383650ce6426f9abfd25ce222ce8856cd8a36f964390d524c807a
Copyright registration time
2026-06-10T01:07:26+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T17:25:41Z
Bitcoin block
953536
Canonical record hash
sha256:e87e4b73b46825503e8acd764e04d88e7240714355a88f70c03887af7d84a89b

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.