Superman March (From "Superman")

Recording by John Williams.

Recording identifiers

ISRC
DEU901501571
CopyrightID (CopyrightChains transaction hash)
0x1e3c43139af5395c9ebdefeb89843f541473010b5c7028ebdaadc61a4a76ff22
Copyright registration time
2026-06-24T09:56:13+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:776e0e7a7e067d1207d32cdd238fe2560e34656f9142a2503073b9de7d5628c8

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.