Tarcu

Recording by Nils Hoffmann.

Recording identifiers

ISRC
US83Z2127431
CopyrightID (CopyrightChains transaction hash)
0x311450dd58a3a8684ab905381434a7d628033c6e149aa40bf5de0027eed770fe
Copyright registration time
2026-06-05T10:55:13+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:fdc0db5ad286ff7f81160e90898fae116acc77d0918ab2e25efedea2437ab18b

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.