Blockflötenunterricht

Recording by HBz.

Recording identifiers

ISRC
DECE72302362
CopyrightID (CopyrightChains transaction hash)
0xe0ed53f8fc7977b8ac85ffc35e794cc4b8999e7a7e01e6b99f936813fe6a9c59
Copyright registration time
2026-06-04T12:26:41+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:53:06Z
Bitcoin block
953515
Canonical record hash
sha256:938dfa12f35eac44e027d9e3ae84e968ad827fc2f49380d8f4b746d82a7ecc49

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.