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 0x0f53c76d08d627a8eea88841d07e8274c2f21b429adf7046106ccfd69c081216. 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/013f3a63-1f04-42ff-9a16-160e70a9a4fb.json and https://artists.proofprofile.net/proofs/artist/013f3a63-1f04-42ff-9a16-160e70a9a4fb.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 0x79999423627aee4e4d2dbf7da7f93987987b76f66d1abe9d3a8d42bcd355e299. 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/5LEHP0LoIw9Mmlk2hUeCXo.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/5LEHP0LoIw9Mmlk2hUeCXo.
{"copyright_id":"0xb892bf811c3ae8949e61b63ef48261b379a163caca93eceadce65c758cab68fb","isrc":"QMBZ92283931","name":"Oh Que Será","registered_at":"2026-06-09T18:26:23Z","spotify_id":"5Is6QjYJQgOTvcmGwAql52","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb892bf811c3ae8949e61b63ef48261b379a163caca93eceadce65c758cab68fb. 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/5Is6QjYJQgOTvcmGwAql52.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/5Is6QjYJQgOTvcmGwAql52.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x614397a700f46aa532f830b2b9578875c68c601dc4380754b3ecbc3839ac1103. 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/1fOJvtIEXsEXkqTuCFSeGz.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/1fOJvtIEXsEXkqTuCFSeGz.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa9dae012ed4e1d338afc204cd14fb8349ab94a9d4db58c3ff218c4c0b78ae27b. 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/1e4sBJgOMMS7ymGqe9j7ar.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/1e4sBJgOMMS7ymGqe9j7ar.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbd0c6c6f37225896cb6594ae3c9fe4113da19f93830539c6613631c2f0fc3206. 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/2K1fJYqtl5hTAnyiweLUqi.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/2K1fJYqtl5hTAnyiweLUqi.
{"copyright_id":"0x8febdd89230dd94bc6ec3e530e5109710fe04dbdcd66f7ac640b8f42b7109076","isrc":"QZNJW2392081","name":"Andan Diciendo","registered_at":"2026-06-19T05:58:22Z","spotify_id":"3lQsvaFBOf9SuC2mdfaQtf","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8febdd89230dd94bc6ec3e530e5109710fe04dbdcd66f7ac640b8f42b7109076. 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/3lQsvaFBOf9SuC2mdfaQtf.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/3lQsvaFBOf9SuC2mdfaQtf.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc75ce2e3189b038c8e4d0eead46ea19cb4c6c0631df6c206911b457ef4b669f5. 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/7lPWlFSY68aj25b4ZIdb9C.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/7lPWlFSY68aj25b4ZIdb9C.
{"copyright_id":"0xd9e207b810099861aa0f18a7ebee47334719fd62f8b4031ed0d33e92f1d1b9ea","isrc":"QZNJW2392083","name":"Me Miro al Espejo","registered_at":"2026-06-24T16:56:28Z","spotify_id":"2jU1MbXRcICmdgFuBOUuA2","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd9e207b810099861aa0f18a7ebee47334719fd62f8b4031ed0d33e92f1d1b9ea. 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/2jU1MbXRcICmdgFuBOUuA2.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/2jU1MbXRcICmdgFuBOUuA2.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x12341e1a8c6be2e338c1b9a1434478f0cae43418e74068c55e526387ba47738b. 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/2VSWpQvv9GfWm0Dc7JMHno.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/2VSWpQvv9GfWm0Dc7JMHno.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x131742ca66112d73d5719951542d8bd986a8ea617282df9c391f295360028dfc. 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/3Gsq6DejLfQEadT5EhfEWQ.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/3Gsq6DejLfQEadT5EhfEWQ.
{"copyright_id":"0x8cd9f5ea85be4f273fc83d0a720e3018eb8844a6e6a31fbc5e1967487b03fefa","isrc":"QZNJW2392086","name":"Mil Razones","registered_at":"2026-06-22T04:58:38Z","spotify_id":"5NZhelLEwoxLpR1fasqp44","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8cd9f5ea85be4f273fc83d0a720e3018eb8844a6e6a31fbc5e1967487b03fefa. 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/5NZhelLEwoxLpR1fasqp44.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/5NZhelLEwoxLpR1fasqp44.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7ba4a847146957b8153520a8a51092c27e6f77dfce4218abbac93ae2e32ce15d. 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/5aDMYsUPkiZd7GTnm2clAR.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/5aDMYsUPkiZd7GTnm2clAR.
{"copyright_id":"0xaadf5e5c1f8edc91c59affc34c8a73e52106243ba78afea0919ef4f2f6f0feab","isrc":"QZTPX2301882","name":"Off White","registered_at":"2026-06-18T03:17:34Z","spotify_id":"4SGiaHb1qQHb1uuMlztNcB","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaadf5e5c1f8edc91c59affc34c8a73e52106243ba78afea0919ef4f2f6f0feab. 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/4SGiaHb1qQHb1uuMlztNcB.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/4SGiaHb1qQHb1uuMlztNcB.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8e23785dc8831d64db3d7da86023a21249d9b1537dde2c4fbd8a5a2932d88ac3. 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/2zno73ZT0oa6A9assgMS2l.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/2zno73ZT0oa6A9assgMS2l.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6264f26878c68695fa0ef72cde6d6b16023d7a70ab1fe8652ba60f25573640ff. 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/0An5626diqxDb9EDLQyYHp.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/0An5626diqxDb9EDLQyYHp.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6a7d2dd4adc6ee68336f15764a4e85e3462ace17819da61c956181395038953b. 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/4FuehbWA2MbcoolHhsBHig.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/4FuehbWA2MbcoolHhsBHig.
{"copyright_id":"0xa1759263b1c2c301f975a5643bca3a470ce0ffe6a9a4f6dfd18c237c225ffbd9","isrc":"QZNJV2394367","name":"Andan Diciendo","registered_at":"2026-06-19T14:18:40Z","spotify_id":"22HipbfvqRqh2tEwJKJeLS","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa1759263b1c2c301f975a5643bca3a470ce0ffe6a9a4f6dfd18c237c225ffbd9. 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/22HipbfvqRqh2tEwJKJeLS.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/22HipbfvqRqh2tEwJKJeLS.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8688a926f61c1c7b4b04dea5577068c1ae53cd0a0615e899350ed0ecc2e75c6d. 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/1FH9XLXW6PxrKxq59CUSrx.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/1FH9XLXW6PxrKxq59CUSrx.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaf6d9233bc7c0df0a67c92a651a6c9a09ee203a02e7150c2fd5f6ddb2b936a15. Chain 2 (Bitcoin): anchored in block 954130 (2026-06-17T20:33:25Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2KUzDVEcY87zn03oSceDxZ.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/2KUzDVEcY87zn03oSceDxZ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc34c162ad22cbe66ba62f1e59566f0862cc59786c97fd69118173b0268643da2. 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/7iT6dkTCXwDllRR4TdJ70f.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/7iT6dkTCXwDllRR4TdJ70f.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd9c6dbccf9c2c41129648e713ee2889c6bf661b3f6997e881c719e824553c966. 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/1GCO7IIHVw1LWptLKyZtjs.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/1GCO7IIHVw1LWptLKyZtjs.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x93cac1d78ac9065475626f1774b8fc54346fa7660edeb6a49c2f6be9dfc8e428. 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/0lVcexRYbYwMx3BferDM4T.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/0lVcexRYbYwMx3BferDM4T.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x81955956f02bd0d1dbf1fc0cecf1fefe278af73341ac16895767efb9f7b31bc4. 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/252wNnI6CssWERMVC9V3dW.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/252wNnI6CssWERMVC9V3dW.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0b6e8f9dd9c15b0ad4ad149e02300ee41a52aecd902bf333a8e7cd1c5811b479. 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/0ibWzro5NbGXh8QClXy4da.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/0ibWzro5NbGXh8QClXy4da.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5dc4c53f657a451c44584917c2b22199990cb9e516a9b4e532e103dc8b521927. 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/1AbWFykUl9k6H2KJGSLXps.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/1AbWFykUl9k6H2KJGSLXps.
{"copyright_id":"0x75a707d34bd17f02c7277e2faa05fe8c9fd89b004f81de413c53f2ab4b9c846b","isrc":"QM4TX2235586","name":"Nos Domina la Nota","registered_at":"2026-06-23T10:02:08Z","spotify_id":"5zNiaQdhm05QAggc9jJ1rI","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x75a707d34bd17f02c7277e2faa05fe8c9fd89b004f81de413c53f2ab4b9c846b. 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/5zNiaQdhm05QAggc9jJ1rI.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/5zNiaQdhm05QAggc9jJ1rI.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1cbdd65b3cdb5940c4af1eef5cac0b04f0fae12b9f274d7effeaef7ebf3bbbac. 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/6FTEpn7tozNb8buBBvl6Fh.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/6FTEpn7tozNb8buBBvl6Fh.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x04eeb7dba98bdcbf74937192889e8966491f1f7ce3addc7e61092765745048bd. 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/7pnyiA5g962Fnp2iIPoOOu.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/7pnyiA5g962Fnp2iIPoOOu.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcfa68a9da59f512bd363f1819df63fb169466f5a8a82f42ac710ae66edfe5bc5. 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/6TPxIGjHhCKdPYGJhX83ZL.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/6TPxIGjHhCKdPYGJhX83ZL.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb4d05ffe7829f8ba77c99310c4f821c9513605ccd2d0de8c7101084636bc6476. 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/4ikYkhXfsvCtb0cfn9G6Zw.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/4ikYkhXfsvCtb0cfn9G6Zw.
{"copyright_id":"0x0f5d15047cea3b41fedcdba49edaf37fd253e088c57453c3dc7c09ed119fe06e","isrc":"QZW9L2453409","name":"Lv los Botines","registered_at":"2026-06-04T15:54:00Z","spotify_id":"1qE6wkqpuD1UClL9HvOEDd","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0f5d15047cea3b41fedcdba49edaf37fd253e088c57453c3dc7c09ed119fe06e. 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/1qE6wkqpuD1UClL9HvOEDd.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/1qE6wkqpuD1UClL9HvOEDd.