Poema-skazka (Fairy-Tale Poem)

Recording by Sofia Gubaidulina.

Recording identifiers

ISRC
DEB209116405
CopyrightID (CopyrightChains transaction hash)
0xdd1b1f30e417d45bf22f67ce7739eb02d55d45eaa476f6a45fed84498a9dcf8f
Copyright registration time
2026-07-29T16:42:44+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T19:35:34Z
Bitcoin block
960138
Canonical record hash
sha256:57ea9b8c5136cea111acb7e99d41b242c9efcfda8cf88869ead7dba275763ee5

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.