Sieben Worte for Cello, Bayan & Strings: VI. Es ist vollbracht

Recording by Sofia Gubaidulina.

Recording identifiers

ISRC
DEB330177506
CopyrightID (CopyrightChains transaction hash)
0xa103477f1acbb00bd4cc5bc2f8c00a7ce5435b676c9cd42fdaacf920aa105c59
Copyright registration time
2026-07-31T19:54:17+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T20:22:46Z
Bitcoin block
960459
Canonical record hash
sha256:bbf1fea4e4d0cd82c5661bd4b2d6506864080495d8fb8c4084e0819a935f8b98

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.