II. Romanza. Larghetto

Recording by Carl Maria von Weber.

Recording identifiers

ISRC
HKI191602602
CopyrightID (CopyrightChains transaction hash)
0x177aeb865443a47be33fd4ea0b9e2f09bf42eb60918a99e13198f30b24a845de
Copyright registration time
2026-06-04T15:06:21+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T18:39:05Z
Bitcoin block
957073
Canonical record hash
sha256:134042707d0141949ba11ddb82e398fa0d0dd0bc02398e52797c60cb6d4e6569

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.