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 0xae89ea7fcd755cd1648ef73bdbbb6d97609d94806a636b3a63e9011fbbc4bf9b. 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/580e71e0-6049-4fd0-ba78-fe87e4fb940c.json and https://artists.proofprofile.net/proofs/artist/580e71e0-6049-4fd0-ba78-fe87e4fb940c.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 0x74cd5896505210a9dcb9310f3053558865b305731afc5ed2f1e4f1eb515dde16. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/45TH6ipW5y1mwTHus63UE6.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/45TH6ipW5y1mwTHus63UE6.
De Que Sirve (Fiesta On the Rocks Remix)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e37e3391d54f2bf06e8baef0640ad44292a09cd51ff04c3362e529a104dfce7. 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/3LWRkGdEHUZkiHQ6miL6HU.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/3LWRkGdEHUZkiHQ6miL6HU.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x91f86f69a8c0b183c6198031a80bcc2d0067ace1ae5962e70da28cdd7bd6f92a. 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/0xwe2e23e35GjapsyU3M61.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/0xwe2e23e35GjapsyU3M61.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x18298507779657c15d8be9f1ed932b2e1a1df4569b19e547a555b6fdf44f3177. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3cDbk5WuNxIiiFluICQisp.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/3cDbk5WuNxIiiFluICQisp.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3f5c38c7d309d49c7c75dde2ff790adbd762930e5b793d79473361e2f5b4b769. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3igxC0qw663Ip91fIwrU8q.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/3igxC0qw663Ip91fIwrU8q.
{"copyright_id":"0xdc33ac8fc1aada009c4b5aba45360bc733e65bbb11c55160207266451fd011b2","isrc":"FR59R2231743","name":"Sigo Sin Pensar En Tí","registered_at":"2026-06-05T17:11:09Z","spotify_id":"2L3beL5MuEvwtPDWFMwUXr","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdc33ac8fc1aada009c4b5aba45360bc733e65bbb11c55160207266451fd011b2. 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/2L3beL5MuEvwtPDWFMwUXr.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/2L3beL5MuEvwtPDWFMwUXr.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x184d8272e3511b8ca4cca7beef81921f6523e23aa18e079676925ee80e2cd51f. 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/2GLVes5agAyMp5KsPA1rxc.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/2GLVes5agAyMp5KsPA1rxc.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4380b65290b62c2c7494b104e68942ba2dc6bb814382f47f01a3c04495599548. 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/5NWY3WWBq1207NPuKSKgYx.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/5NWY3WWBq1207NPuKSKgYx.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x41171ed9bf2e8c0d9269c2d49f4a420223313fa7b150847340f9d5db08285bcf. 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/0ukuKCgZJvjcScTFKYg9Ef.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/0ukuKCgZJvjcScTFKYg9Ef.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xca11b94a312d7b19b679e87392c957d114060571ae48aa2874601a8835b15d3c. 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/3Mt20FOMtcLSBv1LBb83Bh.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/3Mt20FOMtcLSBv1LBb83Bh.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3f5c38c7d309d49c7c75dde2ff790adbd762930e5b793d79473361e2f5b4b769. 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/0ZTre8cx3hwjHUylzz8wqd.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/0ZTre8cx3hwjHUylzz8wqd.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8320fd49d7238a74488f16f73b5ffc315bcd1e8f7fd26f13ae372104b92da18f. 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/3OU2QtB3vtAhBgo8fS4ak5.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/3OU2QtB3vtAhBgo8fS4ak5.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa59eb73ef601deb1f8b18818bf2db078146a5981ba49102ce9c48888afd48a8b. 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/0Ryshb3D6BVfHvfqcRnGVa.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/0Ryshb3D6BVfHvfqcRnGVa.
Okills en El Balneario (En Vivo en El Balneario)
ya no escucho drexler - En Vivo en El Balneario
No te lleves al perro - En Vivo en El Balneario
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x025bf8cf3c9fbd4ef94cc4586a7f73edcc1cc0b39a0a43e92d769c0a0119945d. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5DNzyts2A130Y8olv1KX9C.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/5DNzyts2A130Y8olv1KX9C.
SI TÚ Y YO FUÉRAMOS NOVIOS - Instrumental
{"copyright_id":"0xa60bd49ee5cf7ac5fd4e110cd7f04c54de4a725cf6901b33efdefd2b1a8f5e07","isrc":"QM3UY1900175","name":"El Alcaraván","registered_at":"2026-06-22T03:57:30Z","spotify_id":"1fSnanUI4Em2WtMFeL5TQg","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa60bd49ee5cf7ac5fd4e110cd7f04c54de4a725cf6901b33efdefd2b1a8f5e07. 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/1fSnanUI4Em2WtMFeL5TQg.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/1fSnanUI4Em2WtMFeL5TQg.