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 0x7573fe1e2565b9d2ccc0a8909ed447f5b6d43fb86c6a60c5c390450bc42ad80d. 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/0eb62f28-c1a1-42d0-9006-5b97cb1c6c20.json and https://artists.proofprofile.net/proofs/artist/0eb62f28-c1a1-42d0-9006-5b97cb1c6c20.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0x6993dadfe3ac0055e3b4056775b517f5daf9011c8f77bac15db58fcdf2878ddc","isrc":"DENM92300010","name":"Kickback - Duodisco Remix","registered_at":"2026-06-18T05:09:59Z","spotify_id":"0EntUMsE35FjtShD4dEaeo","type":"track"}
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 0x6993dadfe3ac0055e3b4056775b517f5daf9011c8f77bac15db58fcdf2878ddc. 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/0EntUMsE35FjtShD4dEaeo.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/0EntUMsE35FjtShD4dEaeo.
{"copyright_id":"0x256939c8bb5073d1e3c9ef39b269c6bb31dc50ef82adb4582354684fd374e1a0","isrc":"ES84B1410057","name":"Rhythm Cats - Original Mix","registered_at":"2026-06-27T16:51:31Z","spotify_id":"5uQcVLUKM5FGR0X9ezfnpA","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x256939c8bb5073d1e3c9ef39b269c6bb31dc50ef82adb4582354684fd374e1a0. 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/5uQcVLUKM5FGR0X9ezfnpA.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/5uQcVLUKM5FGR0X9ezfnpA.
Hear What They Hear (Danny Howard Re-Edit)
Hear What They Hear - Danny Howard Re-Edit
{"copyright_id":"0x393e0de580c7fc0b284eca3f9f0ddb0a31888d92735383464d17b0fe1b8a168c","isrc":"GBJAJ2300810","name":"Hear What They Hear - Danny Howard Re-Edit","registered_at":"2026-06-18T17:56:09Z","spotify_id":"6oRobOhehVMPpGL58M3CRw","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x393e0de580c7fc0b284eca3f9f0ddb0a31888d92735383464d17b0fe1b8a168c. 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/6oRobOhehVMPpGL58M3CRw.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/6oRobOhehVMPpGL58M3CRw.
Hear What They Hear - Danny Howard Extended Re-Edit
{"copyright_id":"0x0e6f0abe115b2c63b8c0454b56a59bc296d6822bfe6a0e5b7d480fbb228f6bd8","isrc":"GBJAJ2300809","name":"Hear What They Hear - Danny Howard Extended Re-Edit","registered_at":"2026-06-24T06:44:19Z","spotify_id":"2aeZkf9yeJzDCBQVTokmUa","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0e6f0abe115b2c63b8c0454b56a59bc296d6822bfe6a0e5b7d480fbb228f6bd8. 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/2aeZkf9yeJzDCBQVTokmUa.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/2aeZkf9yeJzDCBQVTokmUa.
Club Der Misionaere (Andreas Henneberg Remix)
Club Der Misionaere - Andreas Henneberg Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x027c0fc8f545fc142d52b0b7b576b9d4fcbd453a1b99a629389e947662495940. 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/3yvmSrKJicKUXChxsWVeRB.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/3yvmSrKJicKUXChxsWVeRB.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf5f1f2f3461cb9b8581e35807c102a08d047f200e2587c45ddd9d3fe274fa261. 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/4eF2g9nh6lvp3pDC5GvxPj.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/4eF2g9nh6lvp3pDC5GvxPj.
{"copyright_id":"0x91c574fdafbcb15e94cd94ec8067d1d4ae2e7959c4e6dd018d667df93745df47","isrc":"GBJAJ1601261","name":"Love Something - Original Mix","registered_at":"2026-06-09T11:18:43Z","spotify_id":"68ID6CiHb0HBIESZdOhPgM","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x91c574fdafbcb15e94cd94ec8067d1d4ae2e7959c4e6dd018d667df93745df47. 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/68ID6CiHb0HBIESZdOhPgM.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/68ID6CiHb0HBIESZdOhPgM.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9875bdb2755b1299144b51c1e073c7936a84f144b314f65888592ad64893c147. 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/3ZaErWO9exKnoCKruvu5YW.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/3ZaErWO9exKnoCKruvu5YW.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3d1451ed07f1b02b50423468a2c6c43dc6d496c02a326e87332e79ca87593f99. 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/4pocusEEVfXAWXIPfTjl79.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/4pocusEEVfXAWXIPfTjl79.
Kickback - Andreas Henneberg & Beth Lydi Remix
{"copyright_id":"0xffc8442d5658db2e3d8a35d3e9ff58e5fdac86d66c1882cdd7a603ca86c76905","isrc":"GBJAJ1600540","name":"Hear What They Hear - Original Mix","registered_at":"2026-06-23T16:36:46Z","spotify_id":"6x0BVwvKqirmew9JDexlHC","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xffc8442d5658db2e3d8a35d3e9ff58e5fdac86d66c1882cdd7a603ca86c76905. 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/6x0BVwvKqirmew9JDexlHC.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/6x0BVwvKqirmew9JDexlHC.
{"copyright_id":"0xa1efb84138f9a26fbb2a2948ee5cd80c9a38457988c8581abb19ed675c2c2d47","isrc":"GBJAJ1500234","name":"Dance On My Heart - Original Mix","registered_at":"2026-06-22T06:51:20Z","spotify_id":"1bmRPGXGruyD1YZt7IHzLm","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa1efb84138f9a26fbb2a2948ee5cd80c9a38457988c8581abb19ed675c2c2d47. 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/1bmRPGXGruyD1YZt7IHzLm.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/1bmRPGXGruyD1YZt7IHzLm.
Black Space - Gabriel D'Or & Bordoy Remix
Pensando - Pascal Nuzzo Vs Subjects Remix
Transit - Sisko Electrofanatik RockInDaHouse Remix
The Reason - Alex Clavijo & Charles Bell Remix
{"copyright_id":"0x22c6892e583cea28d3aa362c2b8577709cc98635d90e7181adb356889e3747f5","isrc":"GBJAJ1302374","name":"Speaking Groove - Original Mix","registered_at":"2026-06-25T14:53:30Z","spotify_id":"6iwk2rc4BUjo1pmQ4CvAXi","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x22c6892e583cea28d3aa362c2b8577709cc98635d90e7181adb356889e3747f5. 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/6iwk2rc4BUjo1pmQ4CvAXi.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/6iwk2rc4BUjo1pmQ4CvAXi.
{"copyright_id":"0x7c08bfe07145191bacd8265de438a4a4d178303d05a5ba5ef55ec8f0d8e842f1","isrc":"GBJAJ1302375","name":"She - Original Mix","registered_at":"2026-06-11T19:58:14Z","spotify_id":"20ryPMc6McHm1N4zVfjdyq","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7c08bfe07145191bacd8265de438a4a4d178303d05a5ba5ef55ec8f0d8e842f1. 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/20ryPMc6McHm1N4zVfjdyq.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/20ryPMc6McHm1N4zVfjdyq.