1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → block must exist at that height 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf46e2a694546556138bc653ed02d308034af4109b2a36f48ae376ee53cf2451c. Chain 2 (Bitcoin): anchored in block 954342 (2026-06-19T03:22:39Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/839adc05-798d-40f5-b555-d2782b8f5b4d.json and https://artists.proofprofile.net/proofs/artist/839adc05-798d-40f5-b555-d2782b8f5b4d.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
On a Rainy Afternoon: Rarity Music Pop, Vol. 263
The Kentuckian Song - (from the film "The Kentuckian")
The Careless Years (with Urbie Green and His Orchestra)
Taking A Chance On Love (with Urbie Green and His Orchestra)
Saddle The Wind (with Urbie Green and His Orchestra)
The More I See You (with Urbie Green and His Orchestra)
Ole Buttermilk Sky (with Urbie Green and His Orchestra)
Boy On A Dolphin - (From the 20th Century Fox picture, "Boy On A Dolphin"
Swingin On A Star (with Urbie Green and His Orchestra)
Speak Low (with Urbie Green and His Orchestra)
You Keep Coming Back Like a Song (with Urbie Green and His Orchestra)
Treasure Island / Gonna Get Some Lovin' (Mono Version)
How About You: Rarity Music Pop, Vol. 229
Tony Perkins + On a Rainy Afternoon (Bonus Track Version)
April Fool (with the Marty Paich Orchestra)
Just Friends (with the Marty Paich Orchestra)
Hit the Road to Dreamland (with the Marty Paich Orchestra)
This Time the Dream’s On Me (with the Marty Paich Orchestra)
How Long Has This Been Going On? (with the Marty Paich Orchestra)
But Beautiful (with the Marty Paich Orchestra)
Why Shouldn’t I? (with the Marty Paich Orchestra)
I Wish I Knew (with the Marty Paich Orchestra)
Accidents Will Happen (with the Marty Paich Orchestra)
Gone With the Wind (with the Marty Paich Orchestra)
Better Luck Next Time (with the Marty Paich Orchestra)
How About You? (with the Marty Paich Orchestra)
You’d Be So Nice to Come Home To (Bonus Track)