Grenzalos - Instrumental

Recording by Martin Wittwer.

Recording identifiers

ISRC
CH0802276903
CopyrightID (CopyrightChains transaction hash)
0x9dc630af80c6ce5869febd6582682c96267221fd84cc7e4f6ee4618df281f4a1
Copyright registration time
2026-07-07T15:41:49+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:53:27Z
Bitcoin block
957124
Canonical record hash
sha256:40178fb64d6c22600ae5ced8ba8953cc02f3ecb5bbaf18b49a71f30675fade11

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.