Circumscis Flautica

Recording by António Rocha.

Recording identifiers

ISRC
BRRPL0600043
CopyrightID (CopyrightChains transaction hash)
0x3964857963dcb057c8bc934bc9f0ce459487f101b5e4c64d2afc5b5c9795c931
Copyright registration time
2026-07-29T13:09:58+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T13:21:01Z
Bitcoin block
960111
Canonical record hash
sha256:c6fe15a7c835ac1fe7752d8c03dac4f77d40b7c12b4df06473a37702151e9b89

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.