1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 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 0xbd8a5dc1b04ae2f7b8b6e91cd26e0d16986a4331e1ea707363a67d3b77aa532a. 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/7e9f2693-a65f-4a36-9eda-e1aaeb6157b0.json and https://artists.proofprofile.net/proofs/artist/7e9f2693-a65f-4a36-9eda-e1aaeb6157b0.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfd640ab9d5a51868000913ce2dcfe8a34904d775ae8b5bf0403317614e59fea4. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR59R1944695.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3f5a4b056957132323a66919bc715c79a83f31a8eda59aafe826be1daf0a262b. Chain 2 (Bitcoin): anchored in block 957834 (2026-07-13T09:42:16Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR96X1929756.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x62691762bf6a39aa94bed006e9d5ee6ee6f200a559da5d8a0b3d0887f0ee71dc. Chain 2 (Bitcoin): anchored in block 958484 (2026-07-18T03:34:53Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRX201945855.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x17700c6f1c65c28806e731c647a1a810c4411420951e78c87eb23d4e816fdb44. Chain 2 (Bitcoin): anchored in block 958690 (2026-07-19T07:14:39Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/INJ221904495.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0c2d7c423030e91c2f3f4d083fd480309b90e0a31cc67f5d50bee57236b4d421. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/INS182100105.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4f1349044b2066793ae46903a833d81468947fe4e13cc364197d95b0d616d69a. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USA2P2534805.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa1546cdd594187fe5af3deb40c4170f80982c32e10ebf38af14f15622c1d1307. Chain 2 (Bitcoin): anchored in block 956656 (2026-07-04T14:03:39Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/INSD11900771.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x62c9ba3d08e5e46ad6f819c628c1306a1a09340f3d678d74cb29877994bb09a4. Chain 2 (Bitcoin): anchored in block 958468 (2026-07-18T00:27:51Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/INJ221905889.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xca05d39db884a8e0e0be2aef83cc6a7ee86f435fb72531b8c869377c1f159565. Chain 2 (Bitcoin): anchored in block 956656 (2026-07-04T14:03:39Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/INSD11900822.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x139f93b1be86a804e8f72a47bb0a010375d2272ca3a0dcc1aa801aa9f7c00d3b. Chain 2 (Bitcoin): anchored in block 958383 (2026-07-17T08:20:01Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/INSD11901151.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9b1ee3f41e66bc170b7df999511645bb8cac4228abe43f58fd856a8a035e3c34. Chain 2 (Bitcoin): anchored in block 958947 (2026-07-21T03:40:50Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/INSD11901152.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x99e9d4af0f814b9159a0a41054b94f381bbb8277cada22589a95f69ac9022990. Chain 2 (Bitcoin): anchored in block 958428 (2026-07-17T15:15:14Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/INSD11901153.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf43524b2113a7877c8ccbd600df1df019d33fe44ffbd4c1d1ce3c843ca86d03c. Chain 2 (Bitcoin): anchored in block 958194 (2026-07-15T20:32:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/INSD11901150.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x139f93b1be86a804e8f72a47bb0a010375d2272ca3a0dcc1aa801aa9f7c00d3b. Chain 2 (Bitcoin): anchored in block 958384 (2026-07-17T08:27:02Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/INSD11901151.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x251fb997cb1eed7185989d1b096be63feadbf2fc6ae8a95e8818518e07c11499. Chain 2 (Bitcoin): anchored in block 958432 (2026-07-17T15:43:17Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR2X42366236.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfed520c3a80b818663fe0a8ea329758dd414fc9a2efae1a99fc636fb659e5e8d. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USA2P2314290.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x232b82a36d9c7fa9927d130f507435185637a12b7844a453d65b0c62903c9058. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USA2P2338634.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x45ac61d2b156d9b848be9d846800d44bd47f437825ed48f861b1826ac6e0c318. Chain 2 (Bitcoin): anchored in block 956484 (2026-07-03T10:47:44Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USA2P2346386.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x109506691f6c268a7210a30038f86c1d0968abbd7d718eb45e64b67b1d65e2f2. Chain 2 (Bitcoin): anchored in block 957851 (2026-07-13T11:26:33Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USA2P2346388.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4533fe00d62d9555c2ae8bd8b45d7606bdd5050dc8b159abf8b5753d0fb6c2ea. Chain 2 (Bitcoin): anchored in block 958163 (2026-07-15T16:22:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/INSD11935136.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x88297eedb519b82b90d938244a8ca5b1629dae7cfff4e971f30855d58eec53bc. Chain 2 (Bitcoin): anchored in block 956476 (2026-07-03T09:04:44Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USA2P2403936.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3c6d4378422e3f2012188f6cf60210f5d8c9bad1307e08d6d59e927d7e83e6dd. Chain 2 (Bitcoin): anchored in block 958194 (2026-07-15T22:59:24Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USA2P2421944.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x14980fc76fd026d28cfdf9735418e939f9f7474cbfb86b734a7b4b072078cfe9. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USA2P2422716.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd8b478de0399440ea70623b833a0189f6c1446f70ba55cd2d974eeb82be304f6. Chain 2 (Bitcoin): anchored in block 958185 (2026-07-15T18:19:04Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/INSD11947896.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8d1b49b7a5445fdd032929b093a4b5686fdb9da3281477337526573dba060200. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/INSD11947897.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8859ea4304f7debc31c6c0952866e7cd0ef584c15f32f23d59dc836d56affa80. Chain 2 (Bitcoin): anchored in block 958612 (2026-07-18T21:29:37Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/INSD11947898.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfc03d429ab9fb9fd563ebd43e5239c8f92388f8efd6fb64a3fff3c64fe032ef6. Chain 2 (Bitcoin): anchored in block 958796 (2026-07-20T02:16:02Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/INSD11947895.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8fc61e7dd931821e344bafea27cd026643256345e1c91816ffccad8261242c6d. Chain 2 (Bitcoin): anchored in block 958793 (2026-07-20T01:27:58Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/INSD11947432.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe3345f171dcf7c04a7922eed9f5e79933c1f9736ec143f352c9aee610063d884. Chain 2 (Bitcoin): anchored in block 958196 (2026-07-15T20:38:50Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USA2P2464308.
Yes I Am Student (Original Motion Picture Soundtrack)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc53b21d9d8eca6ea655b71d63f63d5fbc72d5d14011f022df50f1776b88ce70b. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/INT102100863.