Hummelflug (Das Märchen vom Zaren Sultan, 3. Akt)

Recording by Elin Kolev.

Recording identifiers

ISRC
DELJ82071659
CopyrightID (CopyrightChains transaction hash)
0xa4f0ee77ec5baef47f1ad5c4b0bb1f7bccccd40234d622e1f9710d3b890ce5a3
Copyright registration time
2026-07-07T18:13:25+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:cadae08609facf3ef55d4ccefed17af988ab40e8015d7a406611e317570fcba0

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.