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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 0x484040263112541fa32d5385c9da6ae5dc925d0c9c1247c1fe9608bdca95ec8a. 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/4429295e-aa62-4414-8c7f-c0cce865e793.json and https://artists.proofprofile.net/proofs/artist/4429295e-aa62-4414-8c7f-c0cce865e793.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 0x952bb4d15acc0dcda6ef8c24be63ed2ed667d6e7af7ee32d646e7ce5da10830f. Chain 2 (Bitcoin): anchored in block 958544 (2026-07-18T12:14:37Z), 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/JPR561700167.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2d0b7b8d968928f027fc6b3122fb9236105c682ac4236ca47380557febf8bc75. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), 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/JPR561700168.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5f701e664028ad9f97cac0f579644b95c2eb1fda612031c4efcefca77f1d9bce. Chain 2 (Bitcoin): anchored in block 957550 (2026-07-11T09:54:43Z), 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/JPR561700223.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2847f50dadd8d808991c6d9a106c548d819f8d60cd7d75bf37e9f87522d0779a. Chain 2 (Bitcoin): anchored in block 958489 (2026-07-18T04:13:26Z), 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/JPR561700224.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x760ddd0c93588104291aba19078c8faf4dbbf5fa6f7596cd17b655db260273a1. 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/JPR561700365.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6404f14fddcd9ad1a894a8cec70a974a507c11869241ebe79b1e3ec336e84cde. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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/JPR561700453.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xace14ab1fde70ee79c8859475b9ee847f652882256e1cd0cae6cb8844efff6f6. Chain 2 (Bitcoin): anchored in block 958601 (2026-07-18T19:27:02Z), 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/JPR561700454.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5bedcf69d7f51113e396dabaab76633ca326552cf42b433c233231cfc50af0bc. Chain 2 (Bitcoin): anchored in block 956738 (2026-07-05T04:47:21Z), 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/JPR561900021.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3c84f823d470d45b9f60c93f1c1bbba28a781579c00a3d6816e07b1381b7bdfa. 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/JPR561900305.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf015b7776e27174164a5ff37d61657ba7dcb2efad0c584b09af42e2f7c72b55f. 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/JPR561900306.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf524b56bcb53b2f688860a908001f3c449c6ec99c20028490510e3f00bd7cde9. 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/JPR562000062.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc5b6dd1f3e322c14f8fc627cd5fcf11cc8cc8b08a5d6c7a1641e7664ff29a1b0. Chain 2 (Bitcoin): anchored in block 958140 (2026-07-15T12:32:48Z), 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/JPR562000063.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbb08746a068dd86bd7958e2c9656a637cb66e94d7c60ab880d33963e6c294425. Chain 2 (Bitcoin): anchored in block 956578 (2026-07-04T02:23:20Z), 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/JPR562300078.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x84c15edb50367ffd4333bbd5ee5397ebf5ece34388342d9dd084906197283315. 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/JPR561900141.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8ef1f9bde303b2f53db60d21b9359c1098dc303bbc47f58e6e0714d5c858850b. Chain 2 (Bitcoin): anchored in block 957891 (2026-07-13T18:21:04Z), 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/JPR562300086.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x73817290eebe2a197725edc9fa01db161e9877d6e68a1d9504a267fac30f91c5. 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/JPR562300079.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc3c1408645ff9eeaa6b7b1c751ccb14cb364777c1a0d44a5aea2e33074f8cc64. Chain 2 (Bitcoin): anchored in block 957891 (2026-07-13T18:21:04Z), 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/JPR562300087.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x12806b0e733e44e0290bf14f540e69c753e5874440e6e4b3743ef8a919c8d506. 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/JPR561900022.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x184110d3d4ea9d58b60113ec09c9d3ee35a609b55187bc5e1e4fa2f9908e0fea. Chain 2 (Bitcoin): anchored in block 956422 (2026-07-03T01:01:38Z), 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/JPR562300088.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd74b99697900ec15b48b6d34e9cd69381b7a9acb0526d5b32d43194298eaa04f. 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/JPR562300089.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe55219bf5eef8ede65ef82a6ae371d10d2a7b117d5f4df984422da67ed426a7c. Chain 2 (Bitcoin): anchored in block 958544 (2026-07-18T12:14:37Z), 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/JPR562300080.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x36a1bf3db8f72f488bfce6af250c35526416bfba13ec0b0494c0f9998959ece2. 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/JPR562100142.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf1ba311e2126a4f29190b45cd1dc5d4c67fae047a9552d05fbafe449535899a8. Chain 2 (Bitcoin): anchored in block 956560 (2026-07-03T23:28:02Z), 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/JPR561700366.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd0478172df907bc5ea1c7e34fab11ec4b36b1fa1f2ebc27ba8c5d5ae326bcdec. Chain 2 (Bitcoin): anchored in block 958224 (2026-07-16T02:28:43Z), 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/JPR562200162.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbec1eca1903a8d588a73d2b1dda92afbb472a8b33a92ed2fb57dbe19bf8d6544. 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/JPR562300090.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x721bd051a7a69cc8fdddfc0c8ef76a5d18059d08d7c8bac1acd090c90d4e81e6. Chain 2 (Bitcoin): anchored in block 958378 (2026-07-17T06:45:39Z), 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/JPR562300081.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x23051ede1ea2b70251babbdfacb81c8ef67faf130a342151a695505858dbe797. Chain 2 (Bitcoin): anchored in block 958319 (2026-07-16T20:12:32Z), 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/JPR562300082.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2d0b7b8d968928f027fc6b3122fb9236105c682ac4236ca47380557febf8bc75. Chain 2 (Bitcoin): anchored in block 956420 (2026-07-03T00:42:11Z), 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/JPR561700168.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x393e747edb047eae4cdfd9222096f9bbfe736f4961fa0a20e15254b05f3e5ec5. Chain 2 (Bitcoin): anchored in block 958203 (2026-07-15T23:45:56Z), 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/JPR562300304.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf15b7c7169e45c693c523bf61bd3783d9606e8961959458bb5dc1bce534dc8d5. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/JPR562300306.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x16bebbba55e02d6d4d63f9e7f2afdb5f3d52081a9abecf6be8ba4f8c6b9ed96b. 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/JPR562300305.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa7ad41b5bb99ebb318796ce86fecb7f2e465f870b65cfd4c7c579a776a33c039. Chain 2 (Bitcoin): anchored in block 958658 (2026-07-19T04:09:09Z), 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/JPR562300341.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3420f344c6efc8ba6112392f704d89bf9769e35932cc920dd9815b8057a4e8da. Chain 2 (Bitcoin): anchored in block 958373 (2026-07-17T06:09:33Z), 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/JPR562400033.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa7ad41b5bb99ebb318796ce86fecb7f2e465f870b65cfd4c7c579a776a33c039. Chain 2 (Bitcoin): anchored in block 958208 (2026-07-16T00:36:13Z), 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/JPR562300341.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x83c232b58c485aaaad5d6195079299801319737b42373d9771bdc3c6cca4641d. Chain 2 (Bitcoin): anchored in block 956576 (2026-07-04T02:06:47Z), 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/JPR562300598.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x16bebbba55e02d6d4d63f9e7f2afdb5f3d52081a9abecf6be8ba4f8c6b9ed96b. 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/JPR562300305.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa13b0316c8649577b887972e61c5305b07eb135022aa67e3c309e5e2e5decf04. Chain 2 (Bitcoin): anchored in block 958430 (2026-07-17T15:33:28Z), 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/JPR562300599.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf15b7c7169e45c693c523bf61bd3783d9606e8961959458bb5dc1bce534dc8d5. Chain 2 (Bitcoin): anchored in block 956728 (2026-07-05T01:43:49Z), 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/JPR562300306.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x09048fb96a09aa9fdde8a7e617bc56f88678b766b5170992543e75d831e6249c. Chain 2 (Bitcoin): anchored in block 958095 (2026-07-15T04:30:08Z), 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/JPR562500190.
バンドリ！ ガールズバンドパーティ！ カバーコレクションVol.8
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x47edabf4cc0d457d0556e8cf16d50eac946fae0603418801c26d7b15c87fd1e6. 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/JPR562300356.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc403f93f139ed3818c89fc50d2dac5f69365b1f6786822dd6541f58487b08f2b. 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/JPR562300357.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8e46e4f950c1c720eecdac50172f0c43dc02b3e4b6387fb5acd2b613ca6ab11b. 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/JPR562300370.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa5131f0aa5d704391cf1f880f5f5a46e1ae2a75649ee6ce3bcabe4eb516c3809. 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/JPR562300371.