Figur 4

Recording by Otto Krummel.

Recording identifiers

ISRC
CAENV2111525
CopyrightID (CopyrightChains transaction hash)
0xd19f8ed2d6ccf62379773f862b6ee9b7170a807ec43278d803ed720b77c2b51a
Copyright registration time
2026-07-07T08:01:31+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:53:27Z
Bitcoin block
957124
Canonical record hash
sha256:6fd4fe2d48126e1927039f7f3e3eff939a5004461e4972b05a1c741ba0ce57d7

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.