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 0x5acd59b5fe915e56cf1478df6a44fc527863a80fce399a78f2f5a63fcc0b9607. 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/96b0b33d-2c82-47ef-9c8e-798a4d1f5343.json and https://artists.proofprofile.net/proofs/artist/96b0b33d-2c82-47ef-9c8e-798a4d1f5343.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 0x33bca08123b1a18be62b610338acde8ced3a1750ec65de52d0625e2d115404a6. 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/3IyipU2SQdRMbJvt3rVmtc.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/3IyipU2SQdRMbJvt3rVmtc.
Strangeulation Vol. II Cypher V (feat. MURS, Wrekonize, Bernz)
{"copyright_id":"0xd2444bcb2c955bf818af727f10cc8965a9f908293fe2de1a566f4aec859a4c5c","isrc":"USZHR1500175","name":"Strangeulation Vol. II Cypher V (feat. MURS, Wrekonize, Bernz)","registered_at":"2026-06-18T15:58:08Z","spotify_id":"3DVmk5N55D1QAW6iJU6XuV","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd2444bcb2c955bf818af727f10cc8965a9f908293fe2de1a566f4aec859a4c5c. 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/3DVmk5N55D1QAW6iJU6XuV.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/3DVmk5N55D1QAW6iJU6XuV.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x720c6d64ab1824f189cc01ab824e018148ab4bba67410d2b672a51e63fd9e36b. 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/3PprnqjP4YIJR21wzq35j8.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/3PprnqjP4YIJR21wzq35j8.
{"copyright_id":"0x435de0f4ddeeec532168660f47d37eeacb92a3f072f2569bad174173410e37d7","isrc":"USQY51441813","name":"Strangeulation III","registered_at":"2026-06-09T14:43:24Z","spotify_id":"56RuZG5A214mnJzgscYmds","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x435de0f4ddeeec532168660f47d37eeacb92a3f072f2569bad174173410e37d7. 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/56RuZG5A214mnJzgscYmds.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/56RuZG5A214mnJzgscYmds.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcfeea39e412121eb8965dd299c22182e812d6332287649962fd8bbf2d4ea29f7. 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/1dEX1e0YbxKedsga0xjp8V.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/1dEX1e0YbxKedsga0xjp8V.
{"copyright_id":"0xd3c12820bfd7f958b0c9e934e254eb35ba6f16d74e07bd2ebd34e97d3f95f34c","isrc":"QM4TX2237233","name":"Code Green","registered_at":"2026-06-24T07:53:17Z","spotify_id":"14Vu90dQFVyiUBvlMrl1uK","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd3c12820bfd7f958b0c9e934e254eb35ba6f16d74e07bd2ebd34e97d3f95f34c. 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/14Vu90dQFVyiUBvlMrl1uK.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/14Vu90dQFVyiUBvlMrl1uK.
{"copyright_id":"0xa3ed377de148b129fd23ebeea78551c837db48c2c211a9eea6d61c193ccb6baf","isrc":"USZHR1600609","name":"These Hands","registered_at":"2026-06-18T15:53:47Z","spotify_id":"0R4kt4mpLYU767trYGZrgg","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa3ed377de148b129fd23ebeea78551c837db48c2c211a9eea6d61c193ccb6baf. 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/0R4kt4mpLYU767trYGZrgg.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/0R4kt4mpLYU767trYGZrgg.
{"copyright_id":"0x46817a1bec2d3507dc78e66da0f8e61dcd91f8fc5021213232edea085c7a9beb","isrc":"USZHR1600613","name":"Settle Down","registered_at":"2026-06-24T12:51:51Z","spotify_id":"3JkvV4AghrIFibIRCR6DkC","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x46817a1bec2d3507dc78e66da0f8e61dcd91f8fc5021213232edea085c7a9beb. 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/3JkvV4AghrIFibIRCR6DkC.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/3JkvV4AghrIFibIRCR6DkC.
{"copyright_id":"0xa3ed377de148b129fd23ebeea78551c837db48c2c211a9eea6d61c193ccb6baf","isrc":"USZHR1600609","name":"These Hands","registered_at":"2026-06-18T15:53:47Z","spotify_id":"7FR75SJITcWvmwXueRpgoB","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa3ed377de148b129fd23ebeea78551c837db48c2c211a9eea6d61c193ccb6baf. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7FR75SJITcWvmwXueRpgoB.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/7FR75SJITcWvmwXueRpgoB.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb5cda0fa7e060f3961395c823d6977c1d2ff3394065099e9122b3a1579636ab4. 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/0SsklZKMehuFRZYEJEk3T3.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/0SsklZKMehuFRZYEJEk3T3.
{"copyright_id":"0x9a93170f0dc2bf331f5a0447eaf119330ec3fb5d1a749a9a55512bc634c591e7","isrc":"USZHR1600318","name":"Morning Till the Nightfall","registered_at":"2026-06-09T08:16:28Z","spotify_id":"2F6L3EW2rV23deXnfQLFS8","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9a93170f0dc2bf331f5a0447eaf119330ec3fb5d1a749a9a55512bc634c591e7. 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/2F6L3EW2rV23deXnfQLFS8.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/2F6L3EW2rV23deXnfQLFS8.
{"copyright_id":"0xd2444bcb2c955bf818af727f10cc8965a9f908293fe2de1a566f4aec859a4c5c","isrc":"USZHR1500175","name":"Strangeulation Vol. II Cypher V (feat. MURS, Wrekonize, Bernz)","registered_at":"2026-06-18T15:58:08Z","spotify_id":"4XxWO8wvJSlaWxsWJ4J5Ir","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd2444bcb2c955bf818af727f10cc8965a9f908293fe2de1a566f4aec859a4c5c. 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/4XxWO8wvJSlaWxsWJ4J5Ir.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/4XxWO8wvJSlaWxsWJ4J5Ir.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x720c6d64ab1824f189cc01ab824e018148ab4bba67410d2b672a51e63fd9e36b. 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/7aD57W2qPuqcJommipP8Xr.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/7aD57W2qPuqcJommipP8Xr.
{"copyright_id":"0x435de0f4ddeeec532168660f47d37eeacb92a3f072f2569bad174173410e37d7","isrc":"USQY51441813","name":"Strangeulation III","registered_at":"2026-06-09T14:43:24Z","spotify_id":"6GqMEd4SmKBZW5904UIFFq","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x435de0f4ddeeec532168660f47d37eeacb92a3f072f2569bad174173410e37d7. 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/6GqMEd4SmKBZW5904UIFFq.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/6GqMEd4SmKBZW5904UIFFq.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcfeea39e412121eb8965dd299c22182e812d6332287649962fd8bbf2d4ea29f7. Chain 2 (Bitcoin): anchored in block 954130 (2026-06-17T20:30:59Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6AkF543ZGFf3D8gGKOKuSM.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/6AkF543ZGFf3D8gGKOKuSM.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xda35c494c7d12dd75ea266dc62e15b7960b34f82cd3538d2a786a1e9abea0eff. 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/4lnkKOkD9gEXlSmgmIM2kB.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/4lnkKOkD9gEXlSmgmIM2kB.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x46721a58c60f4db5f44df35575269348ddf1fc8c077533e5768f96275aafefea. 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/3o9Barc3zlxHwfaHwVG3zb.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/3o9Barc3zlxHwfaHwVG3zb.