String Quartet No. 2 (1959): Introduction (quarter note=105) (m.1)

Recording by Elliott Carter.

Recording identifiers

ISRC
USSM10206311
Release date of the album this recording appears on
1991
CopyrightID (CopyrightChains transaction hash)
0xa97ea5fc28e6557fc1f6ae4abbae7277176edf5c65d95fc1878c410d0fd0d349
Copyright registration time
2026-07-31T05:53:38+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T06:42:11Z
Bitcoin block
960360
Canonical record hash
sha256:616a4780183cf24a416bd985155f06cfce2c78efb070328f80d486c1e75c70e3

What this proof establishes

This recording was released in 1991, before generative AI. ProofProfile's catalogue derives from the pre-2022 AcousticBrainz and MusicBrainz source corpus, and 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.