Round Trip

Recording by Marcoca.

Recording identifiers

ISRC
FR9Z62400184
CopyrightID (CopyrightChains transaction hash)
0xb1a68deb2fb5e43ce30f957bb28be267b08e1b1fab4a6545e13a280ad04cc789
Copyright registration time
2026-06-06T19:58:06+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:53:06Z
Bitcoin block
953515
Canonical record hash
sha256:7c86ce4ac74dfcbfdb2f93b5ac19057c128b901b3193013578e4160dd1d7b104

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.