Cesar

Recording by Jon Opstad.

Recording identifiers

ISRC
USHR12448063
CopyrightID (CopyrightChains transaction hash)
0x36b90a66b60f1a779b6117d10cd8b53013d76032f822f2ee0a1ef240bc06be10
Copyright registration time
2026-07-06T06:13:10+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-06T07:53:57Z
Bitcoin block
956894
Canonical record hash
sha256:42c0e965cf5bd8467115c8d5ccdc1814408a99cf0544e12dc2e5601b5ee7ab7b

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.