Overture

Recording by Antônio Carlos Jobim.

Recording identifiers

ISRC
QMDA61497060
CopyrightID (CopyrightChains transaction hash)
0x9a03a0255cfff520799131d8ae4d985c614ea317b7c06d3e0617d4e8fa19c5fd
Copyright registration time
2026-06-26T23:06:21+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T11:38:34Z
Bitcoin block
956351
Canonical record hash
sha256:b8ccd0da68f773ed9ad0fd36012e287642d8950db8761a4818b7664d066c7ab8

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.