Nightmare Song - from Iolanthe

Recording by Gilbert & Sullivan.

Recording identifiers

ISRC
GBJ2F1010972
CopyrightID (CopyrightChains transaction hash)
0x060abe230a1003cd16e17d82e1bd987fc264da9bb37b5be4e0c2c9ff5a232446
Copyright registration time
2026-07-06T22:57:30+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:f76e96aad9cbbfd5dd0ca6b8ce040b4a596612638d333dece3704910023fec6e

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.