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
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:45edeba6645c8ea69232139c2f684f908a9b96ac0ed120656ddc747d97b1477d

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.