Hübner

Recording by Calcutta .

Recording identifiers

ISRC
ITLGE1800042
CopyrightID (CopyrightChains transaction hash)
0xc3a8d3af6d9b1287d8b6bdd609e7777ccd617c5162b923032b0a50d8cb08924a
Copyright registration time
2026-06-04T09:01:43+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:7ddacf15750c1c32d24c873398308afee50387798b75c0af1457d8f886ff828b

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.