Alexander Nevsky: The Field of the Dead

Recording by Bohuslav Martinů.

Recording identifiers

ISRC
FRZ130839080
CopyrightID (CopyrightChains transaction hash)
0x8a26892cad836e427c51fe28d6acd24ddc6b8a571907da4e3718f89e5409ec11
Copyright registration time
2026-07-07T07:38:27+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:de97026ba0f4238e9b0566072c4018d8c28aaf145e40206acc737f763d845177

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.