Carta - Acoustic

Recording by Tiago Bettencourt.

Recording identifiers

ISRC
PTKE11200035
CopyrightID (CopyrightChains transaction hash)
0x9d6cc82ce36dcf3727d8401dd01648246c2e2e711cb7d06c26ccec8ab9795af3
Copyright registration time
2026-06-05T13:50:28+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:b95372219e9fcd9c6c42bf8ae7cd59c1a170d2bc36f2a7c94896cee10b1074f2

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.