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 0x03f4dffca37925b037a276f66a6baad9d1b959840e8a2d3f9e732a68b7ffa2f7. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/6b7c3b0e-ca56-4f12-9a38-c5957212279c.json and https://artists.proofprofile.net/proofs/artist/6b7c3b0e-ca56-4f12-9a38-c5957212279c.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 0x772c593e6a6e4cc39622541a30b9a55af62a74f1b78eeacc5dde14ce32534eed. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6GJNQI0w8bQMC2A7M3xffV.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/6GJNQI0w8bQMC2A7M3xffV.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeb7e8be8f8e7c3e0cbd72046aa389583d905b86616460c042727a4e43f284f6c. 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/5QP7wwxuAARGDq0wgKoFfr.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/5QP7wwxuAARGDq0wgKoFfr.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1ed43e5b0d2aee60f37998ea25d2dd046076ed286fded950298e75452c499b0f. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3cOUVE8Os7ocRPZxBMxAun.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/3cOUVE8Os7ocRPZxBMxAun.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x421372f039194d534759b7b6e2088370830d3d3d52fa334431fa6c28ba359d1e. 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/6jiVilAVbyfSQh9HkspfRz.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/6jiVilAVbyfSQh9HkspfRz.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2ae2fae8d6d1a12edee464efa641ad18c1bb1aba13d610b208fbdecfab40510c. 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/1LPUE4p5dyjv2uvQmDpQMG.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/1LPUE4p5dyjv2uvQmDpQMG.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9718477b2588d202794115fb82d25612d4b4ee9df41c97047e52c9fa9484f83b. 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/47agSnjPQQnczfqsIlneTH.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/47agSnjPQQnczfqsIlneTH.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x615f09da82c20876c7a11c47b292c516dcb031cab722e5ceb06cd1eee62096f2. 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/5nFn7015zxMAbHfCuIysWr.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/5nFn7015zxMAbHfCuIysWr.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0e1a3ec91dfec2b54ebddacda2abfcd1ba02b1ab9f56c3253ba97d60da52a67a. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1Zl1j4YcwmedDXREoAGlcc.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/1Zl1j4YcwmedDXREoAGlcc.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xabda07e9e18ec5ded257ac8a5150eafd89af5803857c344f2dc81660d9e4b7cd. 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/4c3Ra5V7foXUcSO54fZSBM.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/4c3Ra5V7foXUcSO54fZSBM.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x52fd8a69d5d4246391bdd7b646d68e6bc001a9698bd21271302cafa23b774555. 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/648ci4aZGsN27qi2VJyYaK.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/648ci4aZGsN27qi2VJyYaK.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x773eada90f8dcf5c28307e37a9c7e2272632c43b1ae93166d5822b13f33faafd. 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/3HWFHAFVkmP6gzKWqFKdHt.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/3HWFHAFVkmP6gzKWqFKdHt.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x36d4cd20b16e277093c778cce5e669db50f3301242d6a30760e096351e873eca. 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/1RKYB7fSnd3YtFYmumtMET.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/1RKYB7fSnd3YtFYmumtMET.
{"copyright_id":"0x20bda4c529b48cafb9ad2014bb2d33546a9f22576c2add5e3ef247a0d5a50457","isrc":"ES71G2421007","name":"Al Anochecer","registered_at":"2026-06-10T20:43:38Z","spotify_id":"5uUaENlkNAMKK6QGNXzxon","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x20bda4c529b48cafb9ad2014bb2d33546a9f22576c2add5e3ef247a0d5a50457. 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/5uUaENlkNAMKK6QGNXzxon.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/5uUaENlkNAMKK6QGNXzxon.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6a3e8f053283ced416f2ea1a641f2b248680d1301e42f4f01532b830cd8f97f0. 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/7dVdJqAvB0vY1hLo4bGl7r.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/7dVdJqAvB0vY1hLo4bGl7r.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5730c8fb93f7dbc04a6861728ff959838e7e394a3ad591d5c9672e3ac8ebee63. 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/2X9Vk5jRw606Q80vHHpnds.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/2X9Vk5jRw606Q80vHHpnds.
{"copyright_id":"0x6d661fcaa0ac7a751a3828d6096de2fc973451f17b3df5263bf1d6e030442887","isrc":"ES71G2421009","name":"No Quiero Pensarte","registered_at":"2026-06-19T16:19:41Z","spotify_id":"5jiyjvbwoNQTudSJH0CXCV","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6d661fcaa0ac7a751a3828d6096de2fc973451f17b3df5263bf1d6e030442887. 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/5jiyjvbwoNQTudSJH0CXCV.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/5jiyjvbwoNQTudSJH0CXCV.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5e1c578275ff58583f5a01381a4005eff9489bf35518a526942cacc14dfd4b80. 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/2qAiZ6t9y3Lhrl41bRfBvz.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/2qAiZ6t9y3Lhrl41bRfBvz.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa6736ce5986d9aff8b3b89eb7f9d159a5344b73b0e0be41870d8e69ce6a45cc8. 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/10bVN42M5xKWwVlUjlWEhs.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/10bVN42M5xKWwVlUjlWEhs.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xee5a3742754a3a47ea43909be3e912989611b4f357c418ca0fe0a7908648a2ec. 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/5JEE3clFyOmcV0vRVLznHf.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/5JEE3clFyOmcV0vRVLznHf.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x629c4ab84514ce6aa26d9fd461031bebe76714cd0a74b2ff52c706f136a42a5e. 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/4T1OHRPvY2aIR5tdxqWTTc.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/4T1OHRPvY2aIR5tdxqWTTc.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x48cbc476c0d7054e00ebc8abfd8a759aa6da733c6ffd39170bddd4a901d51a38. 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/1FbEfShVUkH3C4L4InK9rG.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/1FbEfShVUkH3C4L4InK9rG.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x64558a8b42a7af3ec76e3707c6f324e36ad55674e7553c5093188cda9b03ffee. 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/4R9j29prnCSMUeY4LyVd3f.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/4R9j29prnCSMUeY4LyVd3f.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7cb0f954aa2f277a904de97b30e30c26139350e8b260c0f83a70838e60346fd4. 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/4cSPH1Ej3hyPrcMUG7J8Pe.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/4cSPH1Ej3hyPrcMUG7J8Pe.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x746e6d5b27e0ac48c4938800ef90dcb500e95d8a25f547ed9ca4db5f50103252. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7F5C0KaLkeDJj1LLoAfKH6.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/7F5C0KaLkeDJj1LLoAfKH6.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa5a4c74385400185aac382cc278e0ac6e3c98dc64bad017b628c87485c41a350. 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/6wl78QLuIDgl1XUyTBpkba.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/6wl78QLuIDgl1XUyTBpkba.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x86d3e4e06753a8f5667863c5a667087b309a383c3662575270fc87f8a8fe729c. 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/5JDqJuslheYIOnDCBFE336.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/5JDqJuslheYIOnDCBFE336.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4d10b8b1a927b143e89aac59a882efbb90520d8a0f4441b4d2a856add2570633. 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/3naiHck3Hhn7U9QiusL1ze.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/3naiHck3Hhn7U9QiusL1ze.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1520ec409b10b704123211144d7d2eec3913e8f68a8617c1e3e24ccae801efeb. 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/1spcBOazlsuTDmwccFc2Uw.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/1spcBOazlsuTDmwccFc2Uw.
{"copyright_id":"0x891dfad26f4cd5019b52895aff8d43bc1285312f0cbc03a472b82bc4dc1c0f7b","isrc":"USCGH2517201","name":"Lo Kiero Todo","registered_at":"2026-06-21T08:46:34Z","spotify_id":"4zAIqDA9CPin7UcYjDbGOf","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x891dfad26f4cd5019b52895aff8d43bc1285312f0cbc03a472b82bc4dc1c0f7b. 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/4zAIqDA9CPin7UcYjDbGOf.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/4zAIqDA9CPin7UcYjDbGOf.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf094e0c3901cdb7cf9260925241588b86b81ce64eaed29628b1efd355c94e828. 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/4pbpTKWXWHM9P5fAYOMLoZ.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/4pbpTKWXWHM9P5fAYOMLoZ.
{"copyright_id":"0xc6034322bf5dacad0486d7afc2419aa4bd5a9a9087e87a127df60ece5d1cafde","isrc":"ES71G2500646","name":"La Vuelta","registered_at":"2026-06-08T05:23:14Z","spotify_id":"61dVx9uJprp89WFQorftES","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc6034322bf5dacad0486d7afc2419aa4bd5a9a9087e87a127df60ece5d1cafde. 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/61dVx9uJprp89WFQorftES.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/61dVx9uJprp89WFQorftES.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x29f6b381e2ef0c7e3b31f18be5e2a2b31601439bbb18d8ceab302a642f616b2e. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3rRnPs90qWnB3k9LT95Z8R.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/3rRnPs90qWnB3k9LT95Z8R.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa6736ce5986d9aff8b3b89eb7f9d159a5344b73b0e0be41870d8e69ce6a45cc8. 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/6yuFN21wq7surK02eSDMAI.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/6yuFN21wq7surK02eSDMAI.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5730c8fb93f7dbc04a6861728ff959838e7e394a3ad591d5c9672e3ac8ebee63. 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/435go2SvMeavUORI5y9fQ4.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/435go2SvMeavUORI5y9fQ4.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9159c9bd49747f9b455dadba48eb753cb82727e1556d0bebe416e2c74fac35ee. 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/1KxoYhCiWnoMRdNvGvkyFx.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/1KxoYhCiWnoMRdNvGvkyFx.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x778cf71f3cf65c887613bacf4625af7b458f8b1cbd4d2e68cde1086b244e82df. 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/2W8ihNFkRo811lhnB5RYU9.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/2W8ihNFkRo811lhnB5RYU9.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x48cbc476c0d7054e00ebc8abfd8a759aa6da733c6ffd39170bddd4a901d51a38. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0NPYwgDn4B3f6iRBxUCkdv.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/0NPYwgDn4B3f6iRBxUCkdv.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdaa99484caa5bf19a537cca3955d2945de41c97024e7d9dc8c9f4ef229611d28. 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/1FATeMoAhufklG8b3PN8Qi.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/1FATeMoAhufklG8b3PN8Qi.
{"copyright_id":"0x8e040525f14e4dad11e818989977a4e237231fd8d96e3af162eefcd185595dca","isrc":"QZGLS2489565","name":"Lo Que Todos Queremos","registered_at":"2026-06-24T18:53:10Z","spotify_id":"5kvgQCi1wXLohggrGrjCzM","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8e040525f14e4dad11e818989977a4e237231fd8d96e3af162eefcd185595dca. 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/5kvgQCi1wXLohggrGrjCzM.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/5kvgQCi1wXLohggrGrjCzM.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc9694f17b47c954a3242f9787aac83306345da816461b8021a45bedd38ca7b0d. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4nlS8fApOY0QEImgkkbxAk.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/4nlS8fApOY0QEImgkkbxAk.
{"copyright_id":"0x0c4bfa44bd4a93a89b64a85ba55b6f4f2032788409dac905872acf0f7d4d9e9e","isrc":"CLAA22100099","name":"Tu Sabor (feat. Killua97) - En Vivo","registered_at":"2026-06-25T11:52:11Z","spotify_id":"2h7dbbOnInwW2AcPmGIHNy","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0c4bfa44bd4a93a89b64a85ba55b6f4f2032788409dac905872acf0f7d4d9e9e. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2h7dbbOnInwW2AcPmGIHNy.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/2h7dbbOnInwW2AcPmGIHNy.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1f7919a496327df9321447a96a6fb68e3ec5f461e73d02b7c751b66f4cc949fc. 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/2U7U5zIW8eSMhNLS8upaXZ.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/2U7U5zIW8eSMhNLS8upaXZ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc454e01d4836e072154190dd6b9a36d14b27ade536e5a54442fb134a7fde1cf2. 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/7i28iUulrPX3hgJSggBF7q.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/7i28iUulrPX3hgJSggBF7q.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2cc4296de5171a061a9bc4ca6909df761f0ef902e4763de7825c20146b54df48. 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/2SBK4cRYcUM6yXJ54D2F9X.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/2SBK4cRYcUM6yXJ54D2F9X.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xabdc3b685f9ddbdebcf1beec4ed8a0654c2b3bf2a62dc6577c67cfc3c1e1fe2b. 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/3SOs6FQ3FNQmRdsx4r7Qoz.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/3SOs6FQ3FNQmRdsx4r7Qoz.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb6be79e7283481907b4b601670741c2c77419c7a17c3c277feb6fb91528fde99. 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/1KQcaI0JAy0OcSLPm5U0xr.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/1KQcaI0JAy0OcSLPm5U0xr.