Cid

Recording by Ernesto Cortazar.

Recording identifiers

ISRC
USTC00946899
CopyrightID (CopyrightChains transaction hash)
0xeb6f57664d8620375ab3e3a47d2d74692ae9ccb88b42b5ef12b21539a25d6fa3
Copyright registration time
2026-07-30T20:59:50+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T21:35:24Z
Bitcoin block
960317
Canonical record hash
sha256:363bbea8994c93c38a83178ebded99a654e10c4087d677a556d04b2dd7f6c0ff

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.