Sirenesangen

Recording by Thomas Helmig.

Recording identifiers

ISRC
DKAMG8800102
CopyrightID (CopyrightChains transaction hash)
0x49c30524dc4a18b34758106c3cf56b3c524013b3f345428964bf01bbf3061de3
Copyright registration time
2026-06-11T22:51:46+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:0f6ac2ca86a415148de4837f3468be70f331ac952d7bb3e97569fb26e706b683

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.