A Portrait

Recording by Daniel Börtz.

Recording identifiers

ISRC
SEAGA9503040
CopyrightID (CopyrightChains transaction hash)
0x58362f008c7b476b826a2cd671ff2e97cd0184dc051eff7763402845f90b58f6
Copyright registration time
2026-01-28T18:52:50+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:9badbc5712f1cf29d39f0e74d4360d6d7e85465c437f3fcd57d2edf2560115fd

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.