Concerto for Cello and Strings: Longing

Recording by Dobrinka Tabakova.

Recording identifiers

ISRC
GBXSY2300034
CopyrightID (CopyrightChains transaction hash)
0x91cf0f3610cf63d6149293587d500f7bbb868dba91434d06271db97e3bda2273
Copyright registration time
2026-07-06T19:15:38+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:1bb7defa804f7b650cb8a89fa49cfbe7cf98bd9988ea14d6fdaa001ad17f8bd3

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.