Per Aspera ad Astra

Recording by Paul Kalkbrenner.

Recording identifiers

ISRC
DENZ71300076
CopyrightID (CopyrightChains transaction hash)
0x37df5a8a365078abe39b25da98c1c6181a432791bfb28f0f6d17a8ca63106d1f
Copyright registration time
2026-06-20T17:51:21+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:95f335776ee5f6331e40d0a363ea1b75d99c70eb8a1a80203a84af3d71e6ef03

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.