A Lifetime

Recording by Jo Blankenburg.

Recording identifiers

ISRC
US43C1500916
CopyrightID (CopyrightChains transaction hash)
0x5b27e312a30f077f1dd2041e6dd316d1613394c08288de97ba6b93ebc324bf5b
Copyright registration time
2026-06-18T12:11:21+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:a191faecc5a76ee5d0d46ba48a5a452f607bb8bb7c9e649e7cfad8824e8d6530

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.