Vanguard

Recording by Jo Blankenburg.

Recording identifiers

ISRC
US43C1613258
CopyrightID (CopyrightChains transaction hash)
0x26841a042b5baecbcd55ece1491c0cb26bc4c06814b42f09ef514e8346083a3f
Copyright registration time
2026-06-06T06:42:21+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T15:41:10Z
Bitcoin block
953528
Canonical record hash
sha256:472eaccde6dc66ff829d80d59dece11daffab543e6a4e2571916f6986fc0e1d8

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.