Alto Rhapsody, Op.53

Recording by Johannes Brahms.

Recording identifiers

ISRC
BER181100302
CopyrightID (CopyrightChains transaction hash)
0x575021b91ba95b95e7c62fcb52002c3048341e8a8b66dc014965110986f97f21
Copyright registration time
2026-07-30T01:24:00+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T01:32:48Z
Bitcoin block
960185
Canonical record hash
sha256:37a7be59ad1b8897ee8035cc92f12eae3e0d7e41820aec32fb7b6055d7f05ee4

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.