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 0x1e00d78ce7cb2f4051e4fe24efebcac982847676972a5b7d222098771c309567. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/321b5c72-95ec-4b0c-ba0f-fd3bde6654fc.json and https://artists.proofprofile.net/proofs/artist/321b5c72-95ec-4b0c-ba0f-fd3bde6654fc.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0x95a696517e7489c4d0069e704bb3277e8d3ed102cb85b5a43a8c31952c7d12aa","isrc":"QZSYP2331407","name":"No One (Drill Mix) [Live]","registered_at":"2026-06-10T14:24:38Z","spotify_id":"36wKGUCCfFlqphyndJoWEt","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 0x95a696517e7489c4d0069e704bb3277e8d3ed102cb85b5a43a8c31952c7d12aa. 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/36wKGUCCfFlqphyndJoWEt.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/36wKGUCCfFlqphyndJoWEt.
{"copyright_id":"0xcfb410be46c6b50d28dbe8498ae0a0e70e0867bd5b16c968bbf272b798ab452b","isrc":"QZSYP2348867","name":"Awesome God (Drill Mix) [Live]","registered_at":"2026-06-09T18:40:34Z","spotify_id":"3ENZqwwXDDMSfdkLRO9MFK","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcfb410be46c6b50d28dbe8498ae0a0e70e0867bd5b16c968bbf272b798ab452b. 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/3ENZqwwXDDMSfdkLRO9MFK.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/3ENZqwwXDDMSfdkLRO9MFK.
{"copyright_id":"0x56ebf221ce855197f5310fe288f5d976a3fc11dc14dfd685838282c36e67503d","isrc":"QZSYP2333885","name":"The Anthem (Trap Shout Bump) [Live]","registered_at":"2026-06-10T18:12:26Z","spotify_id":"1V7sAJkekHB5r1hjI1dqvp","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x56ebf221ce855197f5310fe288f5d976a3fc11dc14dfd685838282c36e67503d. 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/1V7sAJkekHB5r1hjI1dqvp.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/1V7sAJkekHB5r1hjI1dqvp.
{"copyright_id":"0xcb83b7e33dbe909adb1c86c69a36bdb7511c024116a2779a26013e4c77a02b96","isrc":"QZSYP2376669","name":"No Greater Love (Trap Vibe) [Live]","registered_at":"2026-06-18T02:10:15Z","spotify_id":"1ISUf8d4qDeQ8D1CWMLGhO","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcb83b7e33dbe909adb1c86c69a36bdb7511c024116a2779a26013e4c77a02b96. 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/1ISUf8d4qDeQ8D1CWMLGhO.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/1ISUf8d4qDeQ8D1CWMLGhO.
{"copyright_id":"0x2f7306c297cd62a96f16ef762c7e6b3f5e9d6434ae038920b5aa491bd738beca","isrc":"QZQAY2464276","name":"Love Me Anyway - Live","registered_at":"2026-06-09T18:38:57Z","spotify_id":"2WgV2VGsDNHiooKlGC4RfJ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2f7306c297cd62a96f16ef762c7e6b3f5e9d6434ae038920b5aa491bd738beca. 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/2WgV2VGsDNHiooKlGC4RfJ.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/2WgV2VGsDNHiooKlGC4RfJ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x433bedd162437f8ce9c94758c615b3c6d32050b10acf451a1e37d68a85f60917. 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/6facKFGVdUUp85doLQmyrA.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/6facKFGVdUUp85doLQmyrA.
{"copyright_id":"0x2f7306c297cd62a96f16ef762c7e6b3f5e9d6434ae038920b5aa491bd738beca","isrc":"QZQAY2464276","name":"Love Me Anyway - Live","registered_at":"2026-06-09T18:38:57Z","spotify_id":"3hs6y4BvGS59eGo8C9rrXl","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2f7306c297cd62a96f16ef762c7e6b3f5e9d6434ae038920b5aa491bd738beca. 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/3hs6y4BvGS59eGo8C9rrXl.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/3hs6y4BvGS59eGo8C9rrXl.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x433bedd162437f8ce9c94758c615b3c6d32050b10acf451a1e37d68a85f60917. 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/4hGGvphuIu9F4RUzeLDDBI.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/4hGGvphuIu9F4RUzeLDDBI.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8ab5297a406133568bad8b3a54301c3315b1f4391cbfc02a57ccc9575e345645. 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/3EW1cgoGKLig7tZy48pPVF.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/3EW1cgoGKLig7tZy48pPVF.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb2a094f25cdb21b0462c5a9a0857203fb12e77d720f43e016a575bb97969540c. 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/5jhSb53afyyaWZuwpptQ0K.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/5jhSb53afyyaWZuwpptQ0K.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9b0a3e5768394ac623e038d6223b7c11bd85fdd94aba74fac446da5340de14de. 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/28Bzd7SVsbGCD3ZdInGr9D.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/28Bzd7SVsbGCD3ZdInGr9D.
{"copyright_id":"0x43e08f2c29e70b49b8951a191537c6cdcd04c4591fcf31050a0f05f200ed9da4","isrc":"QZTLA2464211","name":"Holy Are You Lord - Live","registered_at":"2026-06-10T18:05:27Z","spotify_id":"4A68BedbYKyisr4wpp2yjJ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x43e08f2c29e70b49b8951a191537c6cdcd04c4591fcf31050a0f05f200ed9da4. 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/4A68BedbYKyisr4wpp2yjJ.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/4A68BedbYKyisr4wpp2yjJ.
{"copyright_id":"0x04caca5f73f1de203fd4da44bf30b2af991fbf7f58f21ecd92ce5cd01739c37d","isrc":"QZTLA2497017","name":"Holy Flow - Live","registered_at":"2026-06-20T00:21:13Z","spotify_id":"3Q3zyPymrBgG1qFYNwjS82","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x04caca5f73f1de203fd4da44bf30b2af991fbf7f58f21ecd92ce5cd01739c37d. 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/3Q3zyPymrBgG1qFYNwjS82.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/3Q3zyPymrBgG1qFYNwjS82.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e8732b7e814062d46a97bc627360a14077c99bd9241483b4081b1012d5240d0. 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/5jeS2auUO3q9SelN3cN1Ro.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/5jeS2auUO3q9SelN3cN1Ro.
{"copyright_id":"0x884c2c0f4a174dc43db521ea2ecf1329bccaa6449d86177d6ac6ce11d5b335f7","isrc":"QZTLA2474069","name":"Break Every Chain (Trap Remix) [Live]","registered_at":"2026-06-10T18:17:25Z","spotify_id":"1PKhVs4a1tBHez3ccBimp9","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x884c2c0f4a174dc43db521ea2ecf1329bccaa6449d86177d6ac6ce11d5b335f7. 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/1PKhVs4a1tBHez3ccBimp9.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/1PKhVs4a1tBHez3ccBimp9.
{"copyright_id":"0x8f0fedafe40a64204c25e153389f0f571a4423d7ef7c5a60fb238babf6525a92","isrc":"QZTLA2431893","name":"How Great Is Our God - Trap Mix","registered_at":"2026-06-08T12:37:08Z","spotify_id":"15R3srburV8W6f4MYPbhPS","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8f0fedafe40a64204c25e153389f0f571a4423d7ef7c5a60fb238babf6525a92. 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/15R3srburV8W6f4MYPbhPS.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/15R3srburV8W6f4MYPbhPS.
{"copyright_id":"0xa159c935e8bcf4a87e64c8b19db57c02b5eeea8a3b6bf8eb2ba6debe8bdb608c","isrc":"QZTLA2444700","name":"The Password - Remix","registered_at":"2026-06-10T04:31:30Z","spotify_id":"3OT9tzH6quX92nE3vpzeRl","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa159c935e8bcf4a87e64c8b19db57c02b5eeea8a3b6bf8eb2ba6debe8bdb608c. 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/3OT9tzH6quX92nE3vpzeRl.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/3OT9tzH6quX92nE3vpzeRl.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc6205097748edd47c816025e0f5a821919040d0c20b868867d0fe25b72fd6899. 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/1WJQY5Y4PzbMDpSWoRiYgV.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/1WJQY5Y4PzbMDpSWoRiYgV.
{"copyright_id":"0x4f21cd0df857d09ce401e84907710b40d3c2dfb5fd014446b72df6ea85337cd4","isrc":"QZTLA2444810","name":"King of Glory (Vibe)","registered_at":"2026-06-10T04:28:49Z","spotify_id":"4iYY5WRh6WvG3lMrjbBV0r","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4f21cd0df857d09ce401e84907710b40d3c2dfb5fd014446b72df6ea85337cd4. 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/4iYY5WRh6WvG3lMrjbBV0r.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/4iYY5WRh6WvG3lMrjbBV0r.
{"copyright_id":"0x44e6ebf7f9021c7b6baf7ebca16a474611a26c79feed2ef2bb29770d02942455","isrc":"QZTLA2489777","name":"Get the Glory (Vibe)","registered_at":"2026-06-11T11:33:06Z","spotify_id":"4mN4FbrscuWbdHLkDP8vdW","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x44e6ebf7f9021c7b6baf7ebca16a474611a26c79feed2ef2bb29770d02942455. 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/4mN4FbrscuWbdHLkDP8vdW.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/4mN4FbrscuWbdHLkDP8vdW.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x71c7ad7bb638fcd78a3f9cff5d6b2485efd3c894b30881393484662021453fa9. 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/0x6QVaisSFDBeYLabKdzKW.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/0x6QVaisSFDBeYLabKdzKW.