Troïka

Recording by Andrey Sychra.

Recording identifiers

ISRC
NLY331604774
CopyrightID (CopyrightChains transaction hash)
0xa9fef7fb07f50e7a0a6af55f5a2ae5d8d835976f23c2a0ef5d5abab6b3b45b13
Copyright registration time
2026-07-30T04:37:11+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T04:47:22Z
Bitcoin block
960207
Canonical record hash
sha256:f63ce7ac6f466dc7d8ad4e7067554bf9dd53164bdcdce44be4f757827934d0d5

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.