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 0xb8f8d6360ae7ee84ac1cc449d1bdd3ee186e7d9df11c867f4c1de50b80927590. 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/3e914aed-908e-4f88-837a-4e5820185f88.json and https://artists.proofprofile.net/proofs/artist/3e914aed-908e-4f88-837a-4e5820185f88.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 0x33ae93b286f4031df553b25f27a352451c4277fbb5e8d4e4e1c8a2a0b4a18e68. 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/72E5aqTpEK6LRu2Jjo9wOe.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/72E5aqTpEK6LRu2Jjo9wOe.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xedc0edb947ab00f4e0d610eb7113d4e5c88a677e8bd8aecb56b975373910daf6. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2L2d7gAq5yZqXhpudUi61Z.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/2L2d7gAq5yZqXhpudUi61Z.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaab215223992a6319027c8e9a6c0a2e2a49260dc82620dd7de235a5242fbd9e9. 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/2o8LDsn0AGHFcrQOqU3XgE.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/2o8LDsn0AGHFcrQOqU3XgE.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xccef568ed77029964e7da76623b790d161a964170ba72e95eb1b780461b0304c. 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/0z2iuZLtIVLPQuKPrYeQAF.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/0z2iuZLtIVLPQuKPrYeQAF.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7275fe4a97c54c93b9965c8f0030ffa29b7ffa579d7cbdfbaf8b4f2384815bd1. 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/74j0l9EndJNUnpZstlpogL.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/74j0l9EndJNUnpZstlpogL.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xebf0096721f6ef39b1140911a4d33ecb09b1568a5a82711b961f3c02a924fc6c. 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/5MibZZUfzd7cY628RYmXrv.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/5MibZZUfzd7cY628RYmXrv.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x45ea98b5035e6c501ba5856803a899e4f060c5bcfb3de37f7daaf77d573aff2c. 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/2rntkeZE5XNNEJGHd09PbZ.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/2rntkeZE5XNNEJGHd09PbZ.
{"copyright_id":"0xec99d60a2e9806d9c9827205ee64d235615fccc202c7bed51a1535ca71cddd8d","isrc":"BK4DA2210143","name":"Tiremos Un Paso","registered_at":"2026-06-27T01:32:16Z","spotify_id":"0xeaqevXEyKjt2VqdXVjHu","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xec99d60a2e9806d9c9827205ee64d235615fccc202c7bed51a1535ca71cddd8d. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0xeaqevXEyKjt2VqdXVjHu.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/0xeaqevXEyKjt2VqdXVjHu.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3425634bec911313230673810369976bcab2a89478b6f88600b0987c68e15af1. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/00AmBNwcAXcWrRGHSRHkp8.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/00AmBNwcAXcWrRGHSRHkp8.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2eecac3dfa8d6005e1549b04be334758130a677865d5f1d339a73d87cef24d63. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1wF5Nc5kqmt8ST1lxKY4Xr.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/1wF5Nc5kqmt8ST1lxKY4Xr.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd5aaae704245447674058e4830034ba517e27552c1c7d533c69144707aa412f1. 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/1cmcEBuaN5Opv35KBlP6GZ.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/1cmcEBuaN5Opv35KBlP6GZ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3425634bec911313230673810369976bcab2a89478b6f88600b0987c68e15af1. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3HH735SrExpn4ytELPXIeo.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/3HH735SrExpn4ytELPXIeo.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xebf0096721f6ef39b1140911a4d33ecb09b1568a5a82711b961f3c02a924fc6c. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2ahO4aShtBLmix1JddlmEk.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/2ahO4aShtBLmix1JddlmEk.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7275fe4a97c54c93b9965c8f0030ffa29b7ffa579d7cbdfbaf8b4f2384815bd1. 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/6eIZEVdYuZSKY0eGySo3wx.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/6eIZEVdYuZSKY0eGySo3wx.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xccef568ed77029964e7da76623b790d161a964170ba72e95eb1b780461b0304c. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/31c11UocMZnLfwtDuLn3Y4.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/31c11UocMZnLfwtDuLn3Y4.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb916a3cd46fef16d9a7846e2f9dfe38b654ce1dbd8f9fcd09d96a258e84834ee. 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/0tIRAYFa9ft5o6COT1IDqc.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/0tIRAYFa9ft5o6COT1IDqc.
Amores (Madaë Extended Remix) [feat. Valka]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xee54b8ab07dd017341064ccb43db97d3057958f8fc5c73cb466b936fb108823d. 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/7fWJFk1UH32jLBXvUABHjI.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/7fWJFk1UH32jLBXvUABHjI.
{"copyright_id":"0x4fa523157ad00d3c6734ad576190b73f1c9ada952b8ee8602b9f43137688442a","isrc":"USDXS2102939","name":"De Party (feat. Michell Acevedo)","registered_at":"2026-06-22T00:32:45Z","spotify_id":"7LbcKcVhSX74w5GsJyacas","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4fa523157ad00d3c6734ad576190b73f1c9ada952b8ee8602b9f43137688442a. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7LbcKcVhSX74w5GsJyacas.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/7LbcKcVhSX74w5GsJyacas.
{"copyright_id":"0x6d607cbaf6332e377afd1c0c2833197a7eaafef383a12c5898f94a2822ad4dc2","isrc":"USDXS2102405","name":"De Madrugada (feat. Michell Acevedo)","registered_at":"2026-06-24T06:13:27Z","spotify_id":"6iWkymE9JSoAMru7zCv2jF","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6d607cbaf6332e377afd1c0c2833197a7eaafef383a12c5898f94a2822ad4dc2. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6iWkymE9JSoAMru7zCv2jF.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/6iWkymE9JSoAMru7zCv2jF.
{"copyright_id":"0x5cdcfbb329e3dda824573b0fcba7f931d128a1f3982f0f96b241dc0abc4e5a39","isrc":"USDXS2102181","name":"Me Buscas (feat. Anny Sepulveda)","registered_at":"2026-06-11T09:31:03Z","spotify_id":"4enEo40sxsNWVozbpEOA0A","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5cdcfbb329e3dda824573b0fcba7f931d128a1f3982f0f96b241dc0abc4e5a39. 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/4enEo40sxsNWVozbpEOA0A.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/4enEo40sxsNWVozbpEOA0A.
{"copyright_id":"0x48b32d128a2d33e022e83a513e651f11f7bfb57ce5e41b2e6d031c25a26248ba","isrc":"USDXS2100929","name":"A Solas (feat Estefania Salazar)","registered_at":"2026-06-07T14:23:52Z","spotify_id":"3P7RGAQvafFgI2SAeONVDw","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x48b32d128a2d33e022e83a513e651f11f7bfb57ce5e41b2e6d031c25a26248ba. 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/3P7RGAQvafFgI2SAeONVDw.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/3P7RGAQvafFgI2SAeONVDw.
{"copyright_id":"0x3c7ce36da18b1be94d284963ff7bcc209e6708d0c8f385c77768c5ddf4e8ba5a","isrc":"USDXS2100591","name":"Amores (Remix) [feat. Valka]","registered_at":"2026-06-17T21:17:08Z","spotify_id":"1cw75gSRD7bevDMS5dKKXc","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3c7ce36da18b1be94d284963ff7bcc209e6708d0c8f385c77768c5ddf4e8ba5a. 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/1cw75gSRD7bevDMS5dKKXc.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/1cw75gSRD7bevDMS5dKKXc.
{"copyright_id":"0xdfda458b4cd7b5388a3a64804614bb9654fc7fe436ab1d71346d1aa9b783fd5c","isrc":"USDXS2013833","name":"Baila Lento (feat. Shaley)","registered_at":"2026-06-09T08:17:24Z","spotify_id":"4wn2eYcLS3EgplRbRRtlFy","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdfda458b4cd7b5388a3a64804614bb9654fc7fe436ab1d71346d1aa9b783fd5c. 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/4wn2eYcLS3EgplRbRRtlFy.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/4wn2eYcLS3EgplRbRRtlFy.
{"copyright_id":"0xa486a987ccd81e7c6a44504457ed12e5bfa48827fd8e9d01589fca3d60bd0331","isrc":"USDXS2011444","name":"Se Te Eriza La Piel (feat. Shander)","registered_at":"2026-06-09T08:12:02Z","spotify_id":"0RUAQcywojnRbB4c5leMYD","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa486a987ccd81e7c6a44504457ed12e5bfa48827fd8e9d01589fca3d60bd0331. 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/0RUAQcywojnRbB4c5leMYD.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/0RUAQcywojnRbB4c5leMYD.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd49dd01bffd661602cd0acbf379ba029e171ad928835c1fda0ee399db4caa9d7. 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/14TMheK47Ih4KaSsRLTsi5.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/14TMheK47Ih4KaSsRLTsi5.
{"copyright_id":"0x45db24fc5134fef26f895dc30e990f2c4b194612ec9c5794072caca6f95332b8","isrc":"QZFZ22013961","name":"Amores (feat. Valka)","registered_at":"2026-06-05T06:31:17Z","spotify_id":"5dDcVdAwFxaqeXrcITfIcX","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x45db24fc5134fef26f895dc30e990f2c4b194612ec9c5794072caca6f95332b8. 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/5dDcVdAwFxaqeXrcITfIcX.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/5dDcVdAwFxaqeXrcITfIcX.
{"copyright_id":"0x12bf332dfb9bb0e24a6cb0fb47f948e3afa49b7e3c420bba7f5b78db1da61b15","isrc":"CLA1D2300031","name":"3 Días - Remix","registered_at":"2026-06-04T09:34:40Z","spotify_id":"0wSL1Z7ubNgzxxa0kauDjL","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x12bf332dfb9bb0e24a6cb0fb47f948e3afa49b7e3c420bba7f5b78db1da61b15. 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/0wSL1Z7ubNgzxxa0kauDjL.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/0wSL1Z7ubNgzxxa0kauDjL.
{"copyright_id":"0x12bf332dfb9bb0e24a6cb0fb47f948e3afa49b7e3c420bba7f5b78db1da61b15","isrc":"CLA1D2300031","name":"3 Días (Remix)","registered_at":"2026-06-04T09:34:40Z","spotify_id":"5rC6WSsQ1LLf97Ob82Nctd","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x12bf332dfb9bb0e24a6cb0fb47f948e3afa49b7e3c420bba7f5b78db1da61b15. 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/5rC6WSsQ1LLf97Ob82Nctd.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/5rC6WSsQ1LLf97Ob82Nctd.