Kalinka

Recording by Sirba Octet.

Recording identifiers

ISRC
FRUM71800573
CopyrightID (CopyrightChains transaction hash)
0x9dfe3ec79fa604238875afc25c1058f15234953517afc0f7faf3ae0ad025849e
Copyright registration time
2026-07-30T02:51:21+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T03:35:13Z
Bitcoin block
960203
Canonical record hash
sha256:71091c94e2b91bcf57d31509dd6c5dc60dbd0bf60118dde3e9dcedb6cbcfc5ab

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.