The Last Song

Recording by Sérgio Assad.

Recording identifiers

ISRC
USSM11203075
CopyrightID (CopyrightChains transaction hash)
0xdaa55ada1bec140d135fe0d501b059091bd9d250fc84faef94a1bf1d7909ec57
Copyright registration time
2026-07-07T01:48:46+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:4e7946de56319746ba2b1ffcdae27f8343b12ca67347dcadcc4fa46bc1f3de3a

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.