Mandrágora

Recording by João Maia Ferreira.

Recording identifiers

ISRC
PTBM12400102
CopyrightID (CopyrightChains transaction hash)
0x0d7d80ea86ef362859485c7dc6956772dbae4c7fb03f83b72c9d947572fbd302
Copyright registration time
2026-06-11T14:03:31+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:44f672cd51716f842df89443dd03547c7d8b8c87383466197ba56ccfda8643c5

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.