CoCoA (Computations in Commutative Algebra) is a free computer algebra system developed by the University of Genova, Italy, used to compute with numbers and polynomials. The CoCoA Library (CoCoALib)
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 0xdb85a50dafd4cba3decbe138535352e78038c0dbef0ff5137e06afa15ff95cb9. Chain 2 (Bitcoin): anchored in block 954659 (2026-06-21T06:14:42Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/ddf8efc9-8492-4ea3-b12c-cfe5bc8b6de7.json and https://artists.proofprofile.net/proofs/artist/ddf8efc9-8492-4ea3-b12c-cfe5bc8b6de7.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
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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 0xa7b17b106cd86929fd7c8de4e61c38ece38fc23887fad8417c241dc8dd9e0de4. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/JPW561809196.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5ecd0773359e712c9ff1baf2b8c0fa52029708b4fbbf48d8a8ac4d379eac98eb. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/JPW561809199.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x460955d615cd306e1d124224c31bde7f2473da154483eb3fe95c241658076391. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/JPW561809201.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa50156a87db898d8c06ce2b4c063d1f0facd1f9be2884fb4e83a782a5ccbf218. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/JPW561809208.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x80f667ecd78d50cd870170cac818445aa5261225a9df689e237bb6aa149e0edd. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/JPW561809210.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xff638aecc0aae81112b501d86c247f4a9bfb13df3ebb36760a907047c6ba63d3. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/JPW561809215.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0a8a9d2fc2eb4401db3259893facf9c6941b5243a014000d50a837d2a6d1159f. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/JPW561809217.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x77dd09bc6a61aa935766b659b629c2d3d296876277ad3d7518bd04b4b6cf5654. Chain 2 (Bitcoin): anchored in block 957048 (2026-07-07T14:18:56Z), 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/JPW561809218.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2db8d25de9748da09eb7faad4752008e3081e0a3560abc5df22a83a45cbbd345. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), 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/JPW561809212.
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x22bfcda14b5e32adf91dd0c4a9713bc543d007436992c0a89b833aca663ebbe4. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/JPW561809165.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9a76206b3a4abb29b482932598ae5fb88873f02b8861c417d4a1c9c3cded9fd4. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/JPW561809167.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2b0c3bde2646024b0caa8d33746a4d8abcc9ab3bbd3fe738778b1060e42ee332. 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/JPW561809168.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x712afb2d4e5993b5b02a2a7bfe7372354e0739e99b2909fa5afc967a8fe500cd. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/JPW561809169.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x218d49b49345da600a6bd458381cdb29dadb1bd9813227a8063f6dd797010d03. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/JPW561809170.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe86784608675f57f1f21e169bb81a2fc771c237c7a58f4551b5d21f300fbb31e. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/JPW561809171.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf3a869eab26198371d132cdb85f66d9b0b585f01f1f137dc5d34065ff33b64cf. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/JPW561809172.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9b3c95d0076d5d2047968d13471f668029c68f831cb1e7f3698c0bcc8e046403. Chain 2 (Bitcoin): anchored in block 957084 (2026-07-07T20:41:57Z), 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/JPW561809173.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8ed7897fc254c22a9cd3d1c5bf346e8a01d7f30a99b8c066cd01c14b26b98080. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), 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/JPW561809174.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2f953444e1d5ba1f0aeb6abe414c3523e9ceaeb1dd8d8cafdfc9ca2b71191838. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/JPW561809175.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e2e2d15e55b21d12c785fa1ce8ce02b6432e727be87a76573930151409b2cd7. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/JPW561809186.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcc3896fd24a659dbb820a810d5fbf1a9ea4eb34071c5f34f46768d7a6e2b0452. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/JPW561809187.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2891eeb575d05e42095ffcb31f57f428274296337653fee65a666a653effdd03. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/JPW561809188.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6d9b3a17f2839c009b54c855e68600ddce5b9764ca8894dcbe3d5f46a9761371. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/JPW561809189.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc3c53f8ab313e7545bd59afd33fd418a8cf84b7f0300786c6287c145fd0800c2. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), 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/JPW561809190.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8a1d348f1f929faadce9b5162203681680870d2d19fd578ca80d87ebeded9bd7. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/JPW561809191.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x94e1a29251dc3b60049d6101733ae55ad24b4a5b8b48b953b935f629786ac4cc. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/JPW561809193.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x90738fa2153e4bcc9d1267b0ae1ea0ce98b9cc876f21322361268f04c1365ebb. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/JPW561809194.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfe6b1e7dfaa3d5d86e7e181a1ff80c6c40f07a683ba40baceef1e77258d8a811. 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/JPW561809195.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9240db8d73294e4ab202c4010491937ee8f110df1f0be96b07c31a63d14bc2ab. Chain 2 (Bitcoin): anchored in block 954130 (2026-06-17T19:07:14Z), 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/JPW561809074.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x93b504ebe83db9dcd1c72562f5e6815e9c6b78d18f0ce40e7683146799df9fc8. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/JPW561809075.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3ea5cfd307ed521b6d8e9450be1fa170c178f6d28e9870d99992234212ba0dea. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/JPW561809076.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xef2671e495010ea539a02004a2df5086b2fea0c73570b628be8582b4b278edd6. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/JPW561809077.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6e0974d031173539f2cadd9f44914c026d20aedc638ab6a6b4a6512a06211d9f. 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/JPW561809078.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x074a406830d847b82120ef0562a539b9aa8838903339e1a236a5e0b1afb38184. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/JPW561809079.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x64c13667da9dbdb824be194449f49c23c740bbed07674154b3fd03c34a5c6f31. Chain 2 (Bitcoin): anchored in block 957820 (2026-07-21T17:24:20Z), 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/JPW561809080.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x49c4757b271f32c1802f71da6dc23294bcfaca013eae459b2a0518c0fb605c49. 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/JPW561809081.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf9320222ce85f9502269eae86f5d5d83671d1ab517f3a08f0075e552082f35d0. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/JPW561809082.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf0598e5ffcb56f1487f059fbc19b087e3e6ad0894941f0810d7a1f0f544ca5c7. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/JPW561809064.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x788e71e6843b4bbccac8beed511238126890492b70aecca4158a5641e95f25ff. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), 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/JPW561809065.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7eda7cc37949db18d0cac674bdcdfd651edb7785259daa09bafc1b6c9e00cd1d. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/JPW561809066.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xae825a94e7d0c9f930bd55275ff02e86e6cd212c5a9254ce1f2442a9e17407c2. Chain 2 (Bitcoin): anchored in block 957820 (2026-07-21T16:45:23Z), 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/JPW561809067.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0c51277022f3a4453da0762edc9deac3da561074564a9f0f090b159fb6d0d4c7. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/JPW561809068.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa988b79297323f12278969b694885e6c8a9086e08b756069d171fbbe211d63ef. Chain 2 (Bitcoin): anchored in block 957041 (2026-07-07T13:25:45Z), 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/JPW561809069.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5d6226695a69b657e7a1665cce0e09516a817155597857899a42c02c9822df9f. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/JPW561809070.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd31b907ff54fd8b86e073df13339713232d86268fafaf5a69506f409c8555a74. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/JPW561809072.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x24d90aeeb3f354122efe5970e024f437d124d0e180d17a1786c3cf74bc2b9759. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/JPW561809073.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf124501233455ec2f5f78da65912db9f5923b60710a65276be9e3e01d0c0c7d4. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/JPW561809054.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0a5c90874f4db952b823a2886dab16aef4b738ab21ee231c0efaf932125dbf25. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/JPW561809055.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x019d268bdbdf2c324924d4e9d11f48b483f28b6255a70a964033d640ff90b3ae. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/JPW561809056.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd2052ebc8e6da42cc5a8d9098136d620cc9c9e5697148d58f1fd9569f2b23906. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/JPW561809057.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x388f74a759d459a19c65750342e576e9c781a38e2d25799e3c43707b7b12a594. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/JPW561809058.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x51dd493edfad6a6ad09316c8cfcb04eb331f5a149cfa9f70dcdb5932ed7a1c07. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/JPW561809059.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5cd95f870c05fc25d98ebba176af789b1c6425eab74b5422b90c9a923aca2a7f. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/JPW561809060.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfc119f10bd2a18f04a4c98e931298eb79d7291e955e2fdbaee6c36066e8f38e3. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/JPW561809061.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x81b636b2e808e25da5f53dc8aec462ebbd38ed511ce43e74d26d698704d4298e. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/JPW561809062.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xebd7afe84003c8e7ea1b76a18531a1fbbbdaacc60eebe7310a32dc794a66bb61. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/JPW561809063.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x468b83688f8414849c9b31395985ce84cc9696d6666e4d48a416a0e594550135. 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/JPW561809176.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5c81ef4ea4d08822913bbc3f7443e7e3918a6d0c9f713cd2f49c8576f331c7c7. Chain 2 (Bitcoin): anchored in block 957057 (2026-07-21T23:38:20Z), 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/JPW561809177.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf12957dd792a953a326ab5991fb211a72957fcf46ef917ffdea0d2b15e32426c. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/JPW561809178.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe4004930b0330cbe36ba6824c75e3664323c6083b2cb4c46896e7010da7268b3. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/JPW561809179.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xea4bbdf48fd4082be6a4d372a7d0f10518fa495e27dcc1f9612ed35f0ce3f087. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/JPW561809180.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x886ebd1a389f0c890916ad680e112371121f7c99332136119f6455ba0beac8a9. Chain 2 (Bitcoin): anchored in block 957032 (2026-07-07T11:43:09Z), 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/JPW561809181.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc96389d4395d69bbd75fcee8473d46e9201be1bc6ebee020511b758573738576. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/JPW561809182.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf323b8c8265991dac3bc29ff8c14e601e361915bee2c8d6e343d482d7b17a5e6. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/JPW561809183.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x42d0525def6941bebbfeae1e98cf1d6b74002d9c206d7afcbf5d3baefca8b986. Chain 2 (Bitcoin): anchored in block 959159 (2026-07-22T20:19:30Z), 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/JPW561809185.
THE BEST OF NON-STOP TOHO EUROBEAT 2012〜2013
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbd611cf91b0bee7ad676f4ea198c2336d8077f27bf91f09be3c8556a833382fb. Chain 2 (Bitcoin): anchored in block 957061 (2026-07-07T16:07:00Z), 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/JPW561809105.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xce7a236995e358612374657562388c10b5042173e62edbef9b440031fb7d2cf2. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/JPW561809106.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5e4e8ebfb966b85fb2bd686a3056167ca304b27c308ee2626ecb0705dfd67ce4. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/JPW561809107.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb14c22d8fd55426ad2fdb2ee10c31f1fd9a812c80aaf0fa742fe7a2a0fddc17c. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/JPW561809108.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x72cec8b20f118e4bd06caa1edb99d7d98c2de82571d805e4088c2ad359820067. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/JPW561809110.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf9504b10ef3b41966cb2115325a24270ac762f3f06867bc634c950bd9f6f6898. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/JPW561809115.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa4f2428f5ba9d6b3dc2f6c3c9ccfb9bc07dd4cd4c2c6a60ec16d1780493a61e9. Chain 2 (Bitcoin): anchored in block 957075 (2026-07-07T18:50:38Z), 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/JPW561809121.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe38aabdb5a5556f5475d03f7c11772b26e36ad04dab02fc95f8a6fc6049a4bb6. Chain 2 (Bitcoin): anchored in block 960288 (2026-07-30T17:41:38Z), 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/JPW561809113.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x06ef61f50bdb868bd0aa556403c341fc561de903f120ee01317a9f61cc54ff0f. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/DEH742425006.