Espero

Recording by La Gran Calabaza.

Recording identifiers

ISRC
USHM91987781
CopyrightID (CopyrightChains transaction hash)
0x6875a81ef99951a2b1dd175f8aca042db2ac80fed731ae04397eb09849fc7b97
Copyright registration time
2026-07-06T20:22:37+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:16861cce7965195965e6ff9f492317bfe11d05f9ec231f822650674103218084

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.