Concerto For Violoncello And Strings: II. (Longing)

Recording by Dobrinka Tabakova.

Recording identifiers

ISRC
DEB331123903
CopyrightID (CopyrightChains transaction hash)
0x1b669fee06dee1a9eb91207ce15cffd8e55a51234c21f857c56eceb73ee63533
Copyright registration time
2026-06-07T20:44:45+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T15:41:10Z
Bitcoin block
953528
Canonical record hash
sha256:8b28414bf0451068208e44c1095d71bc5a0e85f0d5177e51d616bba783caafd4

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.