Spring

Recording by Knud Jeppesen.

Recording identifiers

ISRC
HKI190968223
CopyrightID (CopyrightChains transaction hash)
0xc5e7a203434bf24037f0ce7be12b9627501c9afa1239076792d2fca5ffb0b28b
Copyright registration time
2026-01-28T18:52:35+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:8b9266afc5a8b39b84c2e17590d636a48ed7692e9963c4ac934b870ee0898712

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.