El columpio

Recording by Francisco Tárrega.

Recording identifiers

ISRC
DEVU51807472
CopyrightID (CopyrightChains transaction hash)
0x0735eb3b64ca92b2d75ce6c1460241221447db23568c8bb917e7557312951fef
Copyright registration time
2026-06-18T02:59:06+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:ad2448c814c70cdf0b36d737a8f7f5ec7d196d976d2ebd7d10cd7f69568b18f3

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.