Tuba Sonata: I. Allegro Pesante

Recording by Paul Hindemith.

Recording identifiers

ISRC
SEAEP0685040
CopyrightID (CopyrightChains transaction hash)
0x790c0dcc31ca6cb42607b68f42160d16c090bd27aff68acc06c80bf21e7b96f5
Copyright registration time
2026-07-29T14:41:26+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T15:22:21Z
Bitcoin block
960121
Canonical record hash
sha256:d5218fe07eb1229ac1e0092dd53c723a590d0476a246035afc4871790c7e55ce

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.