San Bernardino (Valzer)

Recording by Nella Martinetti.

Recording identifiers

ISRC
CH0059705249
CopyrightID (CopyrightChains transaction hash)
0x343650ed80a0dba2af691b8102e9a6a8d059d94d80098a7740b3154f0acd3b1b
Copyright registration time
2026-07-07T09:02:30+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:b89d40ea8e1c950404c04d4c4115c5ea4c642b08e8a2bb3e6a7dccf974756e29

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.