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 0x223a815831f77ddaaf98fa9623edd6c90958b57dd0df885f0545327a0fb54852. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/25d79c02-d075-4481-bec0-0f117bfbf421.json and https://artists.proofprofile.net/proofs/artist/25d79c02-d075-4481-bec0-0f117bfbf421.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb798c89654748b18c1b96437053cd6297045a0e53c08c53e686d0330967bba62. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2m5xo4HEFHgOQpqqrxCS5u.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2m5xo4HEFHgOQpqqrxCS5u.
No More Tears (Enough Is Enough) (feat. Donna Summer)
{"copyright_id":"0xbf81dadf279e15f5ade5439ebca6dc409bf964e785c377c0a2fb014a0e4973b6","isrc":"USSM10024751","name":"No More Tears (Enough Is Enough) (feat. Donna Summer)","registered_at":"2026-06-04T11:05:45Z","spotify_id":"1wSPm3y4Lk6ABkVxCmwkZx","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbf81dadf279e15f5ade5439ebca6dc409bf964e785c377c0a2fb014a0e4973b6. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1wSPm3y4Lk6ABkVxCmwkZx.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1wSPm3y4Lk6ABkVxCmwkZx.
Funny Girl - Original Soundtrack Recording
I'd Rather Be Blue Over You (Than Happy With Somebody Else)
{"copyright_id":"0x256e6f19d93637de97ab4ab9b065d26bac8d6c67507446ff93681538d4954b40","isrc":"USSM10001370","name":"I'd Rather Be Blue Over You (Than Happy With Somebody Else)","registered_at":"2026-06-07T08:08:49Z","spotify_id":"1xFYYQ2QfhqkbKpDXPe8NV","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x256e6f19d93637de97ab4ab9b065d26bac8d6c67507446ff93681538d4954b40. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1xFYYQ2QfhqkbKpDXPe8NV.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1xFYYQ2QfhqkbKpDXPe8NV.
I Won't Be the One to Let Go (feat. Barry Manilow)
{"copyright_id":"0x478009f23143a113e45a0f30cb8052316e74dc60f4c1d9583e2c88b150510233","isrc":"USSM10213727","name":"I Won't Be the One to Let Go (feat. Barry Manilow)","registered_at":"2026-06-05T20:56:47Z","spotify_id":"4NyVMasxGO0rKSTijBDFa3","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x478009f23143a113e45a0f30cb8052316e74dc60f4c1d9583e2c88b150510233. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4NyVMasxGO0rKSTijBDFa3.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4NyVMasxGO0rKSTijBDFa3.
{"copyright_id":"0x20f830b42fe60732f9a6775a6d1df1387abe5a1172bf8547eaa4cd775dfa2a59","isrc":"USSM19804322","name":"Guilty (feat. Barry Gibb)","registered_at":"2026-06-06T02:57:00Z","spotify_id":"13tOYwXEmdtPwVZmKOYOW3","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x20f830b42fe60732f9a6775a6d1df1387abe5a1172bf8547eaa4cd775dfa2a59. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/13tOYwXEmdtPwVZmKOYOW3.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/13tOYwXEmdtPwVZmKOYOW3.
You Don't Bring Me Flowers (with Neil Diamond)
{"copyright_id":"0xd7dafb8c96adafd2068f6de8d15b4d94098479adeddf1ba95d8f871be9f7e5d6","isrc":"USSM10020874","name":"You Don't Bring Me Flowers (with Neil Diamond)","registered_at":"2026-06-05T11:48:08Z","spotify_id":"6hacGohCl4dvzLcnbKP0Ma","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd7dafb8c96adafd2068f6de8d15b4d94098479adeddf1ba95d8f871be9f7e5d6. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6hacGohCl4dvzLcnbKP0Ma.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6hacGohCl4dvzLcnbKP0Ma.
I Finally Found Someone (feat. Bryan Adams)
{"copyright_id":"0xb0a5110f188313f1ee71cd4951f3fb9ae1448f18bb1575330113a159a5dc5fa1","isrc":"USSM19603517","name":"I Finally Found Someone (feat. Bryan Adams)","registered_at":"2026-06-04T08:33:35Z","spotify_id":"281vXWvkIYaQQfEahXTc8G","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb0a5110f188313f1ee71cd4951f3fb9ae1448f18bb1575330113a159a5dc5fa1. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/281vXWvkIYaQQfEahXTc8G.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/281vXWvkIYaQQfEahXTc8G.
{"copyright_id":"0xd34fe6a2b62a13f11d889c30634ce3b3674190b1d90266f918ad031aa792d1a2","isrc":"USSM19804312","name":"Cryin' Time (feat. Ray Charles)","registered_at":"2026-06-05T16:03:08Z","spotify_id":"7ukKSwsBuk85fJeHTSKfMw","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd34fe6a2b62a13f11d889c30634ce3b3674190b1d90266f918ad031aa792d1a2. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7ukKSwsBuk85fJeHTSKfMw.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7ukKSwsBuk85fJeHTSKfMw.
I've Got A Crush On You (feat. Frank Sinatra)
{"copyright_id":"0xfdbb87a8ca335fba886e5c3ba9c8a9cf70481c5ebd069c1b85a6dbc29dda55ae","isrc":"USSM19702394","name":"Tell Him","registered_at":"2026-06-06T09:19:31Z","spotify_id":"2MVeMJ9xWh2b7reoPe3aRG","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfdbb87a8ca335fba886e5c3ba9c8a9cf70481c5ebd069c1b85a6dbc29dda55ae. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2MVeMJ9xWh2b7reoPe3aRG.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2MVeMJ9xWh2b7reoPe3aRG.
{"copyright_id":"0xbf81dadf279e15f5ade5439ebca6dc409bf964e785c377c0a2fb014a0e4973b6","isrc":"USSM10024751","name":"No More Tears (Enough Is Enough) (feat. Donna Summer)","registered_at":"2026-06-04T11:05:45Z","spotify_id":"4FSFhO7FvNWTKKfkWR6HVe","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbf81dadf279e15f5ade5439ebca6dc409bf964e785c377c0a2fb014a0e4973b6. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4FSFhO7FvNWTKKfkWR6HVe.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4FSFhO7FvNWTKKfkWR6HVe.
{"copyright_id":"0xb8b189b3aca4a1565c6fe37447f6fed813b1720b3afa18208bb434123ff142d9","isrc":"USSM10209148","name":"What Kind of Fool (feat. Barry Gibb)","registered_at":"2026-06-06T22:28:08Z","spotify_id":"6vCzPWIMyBEGnetAhHLJm0","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb8b189b3aca4a1565c6fe37447f6fed813b1720b3afa18208bb434123ff142d9. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6vCzPWIMyBEGnetAhHLJm0.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6vCzPWIMyBEGnetAhHLJm0.
I Have a Love/One Hand, One Heart (feat. Johnny Mathis)
{"copyright_id":"0x88c0346321ecde0f6f93ef40566d53adf9f4458c0cfbaa189ebeae47103c582c","isrc":"USSM19801279","name":"I Have a Love/One Hand, One Heart (feat. Johnny Mathis)","registered_at":"2026-06-07T03:54:01Z","spotify_id":"0fSzwkD9MFEE905c2COt5I","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x88c0346321ecde0f6f93ef40566d53adf9f4458c0cfbaa189ebeae47103c582c. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0fSzwkD9MFEE905c2COt5I.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0fSzwkD9MFEE905c2COt5I.
One Less Bell To Answer/A House Is Not A Home
{"copyright_id":"0xbcb4d606d3d5227efc49b25301a7f5f07f8ae0bdf8556209f336710d2ecf4ade","isrc":"USSM19929657","name":"One Less Bell To Answer/A House Is Not A Home","registered_at":"2026-06-08T18:39:58Z","spotify_id":"129lOZDIr4ToQPKG9GjTsQ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbcb4d606d3d5227efc49b25301a7f5f07f8ae0bdf8556209f336710d2ecf4ade. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/129lOZDIr4ToQPKG9GjTsQ.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/129lOZDIr4ToQPKG9GjTsQ.
{"copyright_id":"0xfd8ac7d6370bc4e8470391db43d713fd5d61f0e5b245b3e6b1c54a5d35ca1de7","isrc":"USSM10001382","name":"Lost Inside of You","registered_at":"2026-06-09T06:08:44Z","spotify_id":"32wyGBvPVy4RvMXrOgrDIS","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfd8ac7d6370bc4e8470391db43d713fd5d61f0e5b245b3e6b1c54a5d35ca1de7. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/32wyGBvPVy4RvMXrOgrDIS.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/32wyGBvPVy4RvMXrOgrDIS.
{"copyright_id":"0x397cdd740ef1d2f35a5dc2344dd29dc38e706f1c5d342c5f6a6aa1ab0f9f3273","isrc":"USSM18800886","name":"Till I Loved You (feat. Don Johnson)","registered_at":"2026-06-04T11:25:51Z","spotify_id":"4xnp5cvuGKQGwuIRHCTUzh","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x397cdd740ef1d2f35a5dc2344dd29dc38e706f1c5d342c5f6a6aa1ab0f9f3273. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4xnp5cvuGKQGwuIRHCTUzh.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4xnp5cvuGKQGwuIRHCTUzh.
Make No Mistake, He's Mine (feat. Kim Carnes)
{"copyright_id":"0xd9c10e1f41480cdaa405c194a43f9d328aabee1e967c9cf9592f94c5d073786d","isrc":"USSM10102650","name":"Make No Mistake, He's Mine (feat. Kim Carnes)","registered_at":"2026-06-09T06:05:58Z","spotify_id":"20IaV1CXvupSLiEJatm7N8","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd9c10e1f41480cdaa405c194a43f9d328aabee1e967c9cf9592f94c5d073786d. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/20IaV1CXvupSLiEJatm7N8.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/20IaV1CXvupSLiEJatm7N8.
{"copyright_id":"0xef9a62ddc818baf4c2fc5fe5f5fadd71f791a890333a4d8addea319687ea46de","isrc":"USSM19901257","name":"If You Ever Leave Me (feat. Vince Gill)","registered_at":"2026-06-09T14:34:18Z","spotify_id":"2ewTJCY4dEr2ZfejIprbcb","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xef9a62ddc818baf4c2fc5fe5f5fadd71f791a890333a4d8addea319687ea46de. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2ewTJCY4dEr2ZfejIprbcb.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2ewTJCY4dEr2ZfejIprbcb.
The Music of the Night (feat. Michael Crawford)
{"copyright_id":"0xdd3e1192c8a0f163e908ffdb947591a556c70b28e805510f553b9b665892af4d","isrc":"USSM10023791","name":"The Music of the Night (feat. Michael Crawford)","registered_at":"2026-06-09T06:00:51Z","spotify_id":"5IyajsCMrvuYxkMRu4rbzH","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdd3e1192c8a0f163e908ffdb947591a556c70b28e805510f553b9b665892af4d. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5IyajsCMrvuYxkMRu4rbzH.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5IyajsCMrvuYxkMRu4rbzH.
Ding-Dong! The Witch Is Dead (feat. Harold Arlen)
{"copyright_id":"0x76b083a4839590f2023afdfdb5689107dd320b9cc4176542ee579c0bc73526eb","isrc":"USSM19804282","name":"Ding-Dong! The Witch Is Dead (feat. Harold Arlen)","registered_at":"2026-06-17T21:08:23Z","spotify_id":"6vFK5iHIQaQs5w6NGyRsNk","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x76b083a4839590f2023afdfdb5689107dd320b9cc4176542ee579c0bc73526eb. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6vFK5iHIQaQs5w6NGyRsNk.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6vFK5iHIQaQs5w6NGyRsNk.
Get Happy/Happy Days Are Here Again (feat. Judy Garland)
{"copyright_id":"0xee282bcd44138e636dad0339d24f995eb05c9c5c8ee88f0120b580094f4fd27d","isrc":"USSM19804794","name":"Get Happy/Happy Days Are Here Again (feat. Judy Garland)","registered_at":"2026-06-06T02:58:41Z","spotify_id":"54igi8hshj93y8PjIaL5Fa","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xee282bcd44138e636dad0339d24f995eb05c9c5c8ee88f0120b580094f4fd27d. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/54igi8hshj93y8PjIaL5Fa.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/54igi8hshj93y8PjIaL5Fa.
{"copyright_id":"0x716acdf3ff05405d0e66e20e36cb26cc705ce54f566e73a5a802337a2795aadf","isrc":"USSM10211681","name":"All I Know Of Love (with Josh Groban)","registered_at":"2026-06-05T11:49:36Z","spotify_id":"0quSnH1v4zvTAeXqbhjMdd","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x716acdf3ff05405d0e66e20e36cb26cc705ce54f566e73a5a802337a2795aadf. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0quSnH1v4zvTAeXqbhjMdd.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0quSnH1v4zvTAeXqbhjMdd.
{"copyright_id":"0x3067d2f4d74f5912450d29c4f58cb013dc406ccabbfd902d073e07e4c1fb7547","isrc":"USSM10006441","name":"Woman in Love","registered_at":"2026-01-28T19:38:42Z","spotify_id":"1pTGc8pwyo6xtgXBKCBcFn","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3067d2f4d74f5912450d29c4f58cb013dc406ccabbfd902d073e07e4c1fb7547. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1pTGc8pwyo6xtgXBKCBcFn.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1pTGc8pwyo6xtgXBKCBcFn.
{"copyright_id":"0x3eb1c935eb35d43fb1e7822e142e20c5b800f7de4f486b0d339e5dc03075ee28","isrc":"USPR36900008","name":"Put On Your Sunday Clothes","registered_at":"2026-06-04T08:26:48Z","spotify_id":"1IWR45a70faZVTduyIRpG9","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3eb1c935eb35d43fb1e7822e142e20c5b800f7de4f486b0d339e5dc03075ee28. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1IWR45a70faZVTduyIRpG9.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1IWR45a70faZVTduyIRpG9.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcc274946739475e4a1ace2b79fae37f1002d5b1dca3fa163a942f819879811b9. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1RC9MTN4NKmilsbgmDdAdZ.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1RC9MTN4NKmilsbgmDdAdZ.
Unmasked: The Platinum Collection (Deluxe)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x76795836e75c4642dc185f0406cb2251aca2b249f5827489f7281054b34097a5. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4iPkGopgRoOQjYZYSD46sh.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4iPkGopgRoOQjYZYSD46sh.