Sorrow

Recording by Carlos Marquez.

Recording identifiers

ISRC
GX5MY2397278
CopyrightID (CopyrightChains transaction hash)
0xbfb14597fa63933c867e826059d1c315ebdec81acd50c21e5b736503d8b07864
Copyright registration time
2026-07-06T06:10:59+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-06T06:56:49Z
Bitcoin block
956889
Canonical record hash
sha256:2856ce65b80e2ddadc845bedeeeff799d91094478468994b340916448b8729ce

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.