T.S.O.P. (The Sound of Philadelphia) (feat. The Three Degrees)

Recording identifiers

ISRC

USSM19922857

Release date of the album this recording appears on

1973-12-01

CopyrightID (CopyrightChains transaction hash)

0xe5fed6e36178b52863a8506d6925e21ee16c5b5cb3dd9e4acac4c687a409a4a6

Copyright registration time

2026-06-04T09:29:18+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-06-13T12:47:07Z

Bitcoin block

953513

Canonical record hash

sha256:2a493e9c4de00a2f0bde63e16942d9b0f729b808ef84644b2bd5c2e86934fc55

• Verify the CopyrightID on CopyrightChains
• Verify the Bitcoin block independently
• Read the machine-verifiable OTS result
• Recording evidence summary for ISRC USSM19922857

What this proof establishes

This recording was released in 1973, before generative AI. ProofProfile's catalogue derives from the pre-2022 AcousticBrainz and MusicBrainz source corpus, and 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.