Carl's Theme

Recording by 9lb Hammer.

Recording identifiers

ISRC
USYWT0700010
CopyrightID (CopyrightChains transaction hash)
0x4a151d5c7d354d0cdd51cec2c52200837d76f2397415c05ea9acbd28a04eb00a
Copyright registration time
2026-06-21T17:52:54+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:629e1495be763b897529c4291d77775173e7b2b9b7f2de207e4eb8e4e85babf2

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.