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 0xf673d04b8b9337f37882805d97283ee47b030b24b59aa00fa4aeccdf184914fd. 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/fcd347ee-d85b-4fd1-872a-b4c4ebeb0851.json and https://artists.proofprofile.net/proofs/artist/fcd347ee-d85b-4fd1-872a-b4c4ebeb0851.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Floss Filthy (Dirty) [feat. Celph Titled]
Floss Filthy (Radio Edit) [feat. Celph Titled]
Monsterifik (Tech N9ne Presents Big Scoob)
Sloppy (feat. BG Bulletwound & Kutt Calhoun)
Strangeulation Vol. II Cypher III (feat. Big Scoob, JL B. Hood)
{"copyright_id":"0x874cd1c2bf24f64851d8dd2faf5f2e2bd6e8e573d1b024cdeb4dc92331f8689d","isrc":"USZHR1500167","name":"Strangeulation Vol. II Cypher III (feat. Big Scoob, JL B. Hood)","registered_at":"2026-06-07T00:18:30Z","spotify_id":"4uRRQbhKT7O8bfXSVCdE7X","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 0x874cd1c2bf24f64851d8dd2faf5f2e2bd6e8e573d1b024cdeb4dc92331f8689d. 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/4uRRQbhKT7O8bfXSVCdE7X.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/4uRRQbhKT7O8bfXSVCdE7X.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc004b01c8d0870da79dabef097f7be063a6cb0a6757650077967d1239dfe6fdf. 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/4VdSj2DNTaZie1s5orNsKi.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/4VdSj2DNTaZie1s5orNsKi.
{"copyright_id":"0xbc5b724b848ad5609662cdf3144b7eda3fb46ccfd6e16670e303ee315b47c744","isrc":"USZHR1500159","name":"Push Start (feat. Big Scoob)","registered_at":"2026-06-11T05:49:44Z","spotify_id":"5PcdaaAKFK9m0oTCplC5UR","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbc5b724b848ad5609662cdf3144b7eda3fb46ccfd6e16670e303ee315b47c744. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5PcdaaAKFK9m0oTCplC5UR.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/5PcdaaAKFK9m0oTCplC5UR.
{"copyright_id":"0xa97b8e29730998df89b329e2db68ea1bf961f2590d4c01a631c9eebab2239a0b","isrc":"USQY51441817","name":"Strangeulation IV","registered_at":"2026-06-10T03:36:01Z","spotify_id":"5xeWJiZxyuIwHzVC4U9ku5","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa97b8e29730998df89b329e2db68ea1bf961f2590d4c01a631c9eebab2239a0b. 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/5xeWJiZxyuIwHzVC4U9ku5.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/5xeWJiZxyuIwHzVC4U9ku5.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x907b0630485873ad37f3190fc17d3ce46de6ba707e23736cc3ebc85350a917c6. 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/1Zf7i7LnQ2U7spvIQmFTSM.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/1Zf7i7LnQ2U7spvIQmFTSM.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb4e18b72ef6c20506e528139d8457cf2ad81410719edbbaa24dd3dcc51d06838. 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/0P3fz1ezebAGh1GYMWWgng.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/0P3fz1ezebAGh1GYMWWgng.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x884808242038d4800f35fd5a8c754062074cf3eb6d42eead30496a07450bf458. 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/7uRvmUdXbiZaUvE2mgb02B.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/7uRvmUdXbiZaUvE2mgb02B.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x907b0630485873ad37f3190fc17d3ce46de6ba707e23736cc3ebc85350a917c6. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/12rUaCAWwWlhQknneuiaV4.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/12rUaCAWwWlhQknneuiaV4.
{"copyright_id":"0xbc5b724b848ad5609662cdf3144b7eda3fb46ccfd6e16670e303ee315b47c744","isrc":"USZHR1500159","name":"Push Start (feat. Big Scoob)","registered_at":"2026-06-11T05:49:44Z","spotify_id":"67VpNiasbCH8dbRAPkZDif","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbc5b724b848ad5609662cdf3144b7eda3fb46ccfd6e16670e303ee315b47c744. 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/67VpNiasbCH8dbRAPkZDif.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/67VpNiasbCH8dbRAPkZDif.
{"copyright_id":"0x874cd1c2bf24f64851d8dd2faf5f2e2bd6e8e573d1b024cdeb4dc92331f8689d","isrc":"USZHR1500167","name":"Strangeulation Vol. II Cypher III (feat. Big Scoob, JL B. Hood)","registered_at":"2026-06-07T00:18:30Z","spotify_id":"3FNPJKfw0rs3JyfkLYqFMa","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x874cd1c2bf24f64851d8dd2faf5f2e2bd6e8e573d1b024cdeb4dc92331f8689d. 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/3FNPJKfw0rs3JyfkLYqFMa.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/3FNPJKfw0rs3JyfkLYqFMa.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc004b01c8d0870da79dabef097f7be063a6cb0a6757650077967d1239dfe6fdf. 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/5MIBnP83GI7aWVWurr3T2g.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/5MIBnP83GI7aWVWurr3T2g.
{"copyright_id":"0xa97b8e29730998df89b329e2db68ea1bf961f2590d4c01a631c9eebab2239a0b","isrc":"USQY51441817","name":"Strangeulation IV","registered_at":"2026-06-10T03:36:01Z","spotify_id":"53CNIUKGLRoaEPceNzSz9m","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa97b8e29730998df89b329e2db68ea1bf961f2590d4c01a631c9eebab2239a0b. 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/53CNIUKGLRoaEPceNzSz9m.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/53CNIUKGLRoaEPceNzSz9m.
{"copyright_id":"0xba0a2827c83450e5362a98e526d29daca2aee1713415f6a612dd7ee5c573937d","isrc":"USZXT1016246","name":"Keep It One Hunit","registered_at":"2026-06-10T03:43:46Z","spotify_id":"6uJPUDshI3a6AdWrfPVpsW","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xba0a2827c83450e5362a98e526d29daca2aee1713415f6a612dd7ee5c573937d. 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/6uJPUDshI3a6AdWrfPVpsW.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/6uJPUDshI3a6AdWrfPVpsW.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x34032d0707af25f2028b08e1798c6c5e00b4bef435c013eaf567bcc971cc11dd. 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/67tn4a8ru2UEQ1dRoWrins.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/67tn4a8ru2UEQ1dRoWrins.
{"copyright_id":"0xecd4fd787b12f2dcaa4dcc859a0d495b589799729e499d0f6dd1e10f763c37cc","isrc":"USZHR0700047","name":"Big Scoob","registered_at":"2026-06-17T23:56:43Z","spotify_id":"5olLeDKnlWMMSShLZpgcG2","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xecd4fd787b12f2dcaa4dcc859a0d495b589799729e499d0f6dd1e10f763c37cc. 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/5olLeDKnlWMMSShLZpgcG2.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/5olLeDKnlWMMSShLZpgcG2.