Arco

Recording by Marcin Wasilewski Trio.

Recording identifiers

ISRC
DEB331967805
CopyrightID (CopyrightChains transaction hash)
0x677a68b73901807600d8ef81883a3e3f6a65db68845e6bff7067ff0bc5c30c4a

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T21:09:47Z
Bitcoin block
960144
Canonical record hash
sha256:be04423c1b30da61c6fbd804364b3fd1a7bf88d443c23a7e86beb70a2c185340

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.