Waters of March

Recording by Antônio Carlos Jobim.

Recording identifiers

ISRC
ITJ091100030
CopyrightID (CopyrightChains transaction hash)
0x90a65f43942db9e7176bd0fecbc82732832c7d1d94dca90877864c9b12cce128
Copyright registration time
2026-07-07T12:53:56+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:883ded11fad5dd3f4aead59c0aed7be813be80b49fc4117a7ad41cb2f33ad42f

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.