Sospiri

Recording by Franz Liszt.

Recording identifiers

ISRC
NLA509615230
CopyrightID (CopyrightChains transaction hash)
0x9877bd5cd1389eea8d14b4755fb201b5c11b2b7099f2fcbc580a03d907ac6278
Copyright registration time
2026-06-22T04:30:06+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:1e0ad40c2951a1a0710a7a3fe029a54a29230121b4c19ddebc1f4a4fd7c0a357

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.