Portis

Recording by 9 Theory.

Recording identifiers

ISRC
USA2P2148340
CopyrightID (CopyrightChains transaction hash)
0x9d1f7ab4e63db1e637cfc24310d5e45dcb04deb3a546be3ea1e5feaa9455307d
Copyright registration time
2026-07-31T17:35:54+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T18:48:12Z
Bitcoin block
960448
Canonical record hash
sha256:d7092c14d62b0431462bd017580a9591acaaba6b997cbafe5508182b7434cf94

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.