Sonata duodecima

Recording by Dario Castello.

Recording identifiers

ISRC
GBAJY9684708
CopyrightID (CopyrightChains transaction hash)
0x9106eb981e748f9ae7db1a9c182f9c94d387e4cfd8db3ba4d5f8259f0ed198d2
Copyright registration time
2026-07-07T15:37:10+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T08:56:20Z
Bitcoin block
957145
Canonical record hash
sha256:1217eb5d93a01a856e14ca808ffd740b4663f529bf00dc832d4dd93c934c89e5

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.