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 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 0x947d0b0d36af087310b73b5e76a146b2e597f03c92cbe972205542b9e70d22ac. 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/9491f515-fb8a-404c-b976-6ac46ce3e234.json and https://artists.proofprofile.net/proofs/artist/9491f515-fb8a-404c-b976-6ac46ce3e234.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 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 0x8b94de37244994169a64098d65624bb24f2861157b228788bd5849b1cd0df93d. 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/BC3PG2330895.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3bbdd2b9cbd749995a5cf7f75ae9ce787bf4709fd38e7b391581c8d77e6a47d9. Chain 2 (Bitcoin): anchored in block 960183 (2026-07-30T01:10:20Z), 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/BC3PG2330896.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x199462d726a11981b7f94f2a4c9d9c68c9c2b6fc49aad12653e7902a56c5522b. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), 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/BC3PG2330897.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8209ae6daa88f20abab077a0097dd75489d2f616e538eaa2d363759accedeedd. Chain 2 (Bitcoin): anchored in block 960327 (2026-07-31T00:26:26Z), 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/BC3PG2330898.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe648886773633f8e067768adb765d29ac2d008580f463d68808c1175ecce6949. Chain 2 (Bitcoin): anchored in block 960106 (2026-07-29T12:41:21Z), 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/BC3PG2330899.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x525b219fdc02e6f239d1e646958acf22a1c5ebcaa2d9171fc42edff64dfb8dd5. 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/BC3PG2330900.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9ab23e08dc1632b2230661257be9706654da65360e8377d339d7da3889b6df13. Chain 2 (Bitcoin): anchored in block 960360 (2026-07-31T06:42:11Z), 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/BC3PG2330901.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2ee376a2af570c13540a7a2cc5ae2eda4494334ad0ecc9c42aaa14910567aea4. 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/BC3PG2330902.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x84da7761b2a680f8d1ebfed020960e49cd9e6b00dc194fb4e4d5f727e09de7ea. Chain 2 (Bitcoin): anchored in block 960397 (2026-07-31T12:24:41Z), 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/BC3PG2330903.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x34e03bcdda2a92de7d8f9e0b5e18fe3ef84c384f71aa8e7e7d3c64c2ee360724. 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/BC3PG2330904.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbf7146c1b6f6908c66536fc2d2c60e2267941b4539ae7e1f86ae504c4fc6eebb. 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/BC3PG2330905.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4555a5c08d420860f38bb5d01c8f8f68c1272185566f12c22ba4deca52267141. 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/BC3PG2330906.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x93e2873accb0360e997f9911fc7ff83c70ac2b7cd9204e258c855c2e52bfad2f. 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/BC3PG2330907.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb5bc6850df9754c1fec6942c352dd169275e44e8f49b29681af735e807cf16c7. 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/BC3PG2330908.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x08244cd37cc97b77f9c74822f434b503c74c3b0c0318c5c3c250ec6d4105165c. 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/BX7272200183.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7b22a4157f3d0c6018526cfa3cb8a6c508f682b3f20bfc9d1a34bd7c8ede56ea. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/BX7272200184.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9821d6a2685bbab3f0ea16c0310b7b31353d5ced75f8fb065d8ce36d84d5fd9e. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/BX7272200185.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0a612f9520f07af3bb60ee3d8d9fc8147b2fd6b8942d0c1f8be38564f49782dc. 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/BX7272200186.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x059b431eb22008ceb02a844112f7478c0fb6798c7fe811b940087abc1e2306ee. 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/BX7272200187.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x90abdcc7f6793e6418ad1d9dcfa3a55ed39e01f1002a5a9f11090a4e282774ba. 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/BX7272200188.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4d436fa17efff7c5a8affbc75942afc5f96eeb3f77be4bcef6c33bd919bf878f. Chain 2 (Bitcoin): anchored in block 960266 (2026-07-30T14:44:50Z), 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/BX7272200189.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xea4b61823371bf89487ae7913e802290ad6cfca64f260c241c14a450307e59a8. Chain 2 (Bitcoin): anchored in block 960327 (2026-07-31T00:26:26Z), 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/QZNJX2464743.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x11ed63f161be4824ad837fa6190484252bb5ae5fa71f9516f843200e7e31144e. Chain 2 (Bitcoin): anchored in block 960334 (2026-07-31T02:19:15Z), 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/BC3PG2400842.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd43387b6d5a12cc0b24758f7b8942a38c4e8a999d3fa5074578c9aa46b4202b3. Chain 2 (Bitcoin): anchored in block 960284 (2026-07-30T17:23:26Z), 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/BC3PG2400449.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x27c58805ef41f6a53a5e2e7ba581467b1f00698b2c9e5f9f9c7c06c98b9c05e0. 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/BC3PG2307128.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3ca3c6f20d798694017a74de3880d3be551909e584e09c4a02ebe486c119fac9. 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/QZTPX2387037.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5f7e57f5886c1a7c272e38b8732fa54ad86efc144da06af9a9dc47816d752930. 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/QZTPX2387079.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf36982b766c2cd2816c0b40fb3d008759aa717360ae4c1ee53eb5fc4f1d4c4e6. 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/QZW9L2332833.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x49154d977db3bbd94e82b2c27c02e08abb1c4e33e1e02961e51d1cf81fe2a448. Chain 2 (Bitcoin): anchored in block 959132 (2026-07-22T13:20:46Z), 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/QZW9L2311184.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4f1e5b156fba2e1c5838a54c80c40c10c0fdbe20a4b221b6712f8b61cca7c7f5. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/BC3PG2305943.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x825cee0a034fa4974f48ffcc37eadb73cd0a73e0a94aac0683ec7c432b903c21. 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/BC3PG2305454.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7d97f65d19fc4de0a0a7d837e6f26c809e7904097f4801b6a1f9bc4b52bb352a. 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/BC3PG2305322.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x85a7c89bfcc80e7b3a904e6da5dc7f06b0ff85692aa8e37e48f8304029e3d0e8. 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/BC3PG2305269.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x361135364565323b687ff427587d3140a34aee88c89dda60aedb0c1c408b9b45. 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/BC3PG2304824.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6fe1ed65cd7ac641e7dcc1e28de733c3caaa3ab6fa4dd631d7db28c0cc9a0bd7. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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/BKF442400177.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x989e6e870fafb1f81a33824382ec9f6547f71dbb61a1114bee7c61af567cc3b3. 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/BKF442500071.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x319d0fd4da57ff377045b123f6de857730d3bb82de35ad04d319deb66164dcd3. 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/BKF442400251.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x51af42c9d49a52b3d75bff6341d2355dc51690e9dc607329a390b22c69aa252d. 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/BKF442500030.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcceae112664d7bf65928ae0392ccdaaa5263621258c8d75c18b38e031268712e. 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/BK16P2500133.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x12c8e771097919314d4c6c2f35039c22b5fd7cebdeb2f8d1b515c87cf459634b. 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/BC3PG2404398.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd2388ce09dd97ace5a894be9d351fab686a3068f9695ff924d750238668b4576. 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/BKF442400269.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfe912aaa83b3a9aa34c2c7af785ad383c42bdba23f540ec92b012ebc14cc3af6. 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/BKF442400270.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcc18009c551051a35282a352ec5c7590f44812f9b58dfc8af74a20a10c3559a2. 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/BKF442400271.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd5a23f71666cec8223547037078240570147103110aaad47d81381083ad6a3a2. Chain 2 (Bitcoin): anchored in block 960106 (2026-07-29T12:41:21Z), 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/BKF442400272.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x86bf4bad94f099207b6e75c647a55cd255067c15b9f94ac1dab67c265b42feff. 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/BKF442400273.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xae7ba5a5099abceaadb1ca1a53284713a19d2711a52f6ae231df94719d766581. 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/BKF442400274.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc073d646362fb5a1d97d6f4a96c7e295fe3e254712e105ac3774828ee2b82477. 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/BKF442400207.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3a37c6161b4be1310d57a423223ec8a25dfdf4bc17ae200b63a3fc359595af87. 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/BKF442400228.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa7b7072de97aea27b6e75bdd16c76805c9fd28a682045fd61c8b3b089f1512cc. 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/BKF442400286.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd2390eda8758e941cd6dec19e6c6a058b12dedfb105e50ee85efa38a19be194f. Chain 2 (Bitcoin): anchored in block 960268 (2026-07-30T14:53:07Z), 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/BC3PG2403833.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf4b27bf86d6a52d364169e86bb8877551397c54ca5e29e42cad0167ad9dfb844. 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/BKF442400223.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe0a1cb206c275921fe32ee1f67c0f415e32b7c2f19e714c77b14c061e16b4e05. 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/BKF442400218.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x918ae88226fdfcd249e66d00493d976f4e33aa101f7736c6739c00a994ca9efa. 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/QZW9K2420130.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x314025aef9cdc10f10bb8bd36f0a2480451226036d06955a6ea8522e5cae4c31. 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/BK2242401800.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x437aa943879ebb66ab67935163f40f7a31f261e5f0c9e705820391c1605298c1. Chain 2 (Bitcoin): anchored in block 960441 (2026-07-31T17:29:52Z), 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/QZNJZ2404537.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x013b442ed7d0d436dcecd9a89cb33057763dc97ee7e1a5c85d04221ad1e842ae. 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/BKF442500089.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x79f54a7d9c22a91413ea0f281bf1cf9dd545a865ee06c4a829176de668765427. Chain 2 (Bitcoin): anchored in block 960284 (2026-07-30T17:23:26Z), 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/BK9SR2500180.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x19962615256a74721d8777839a09e9aa5b9790563c7f53ee4ffb7bc40bbf7ef3. 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/BKR2K2500146.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x82c8c44d8d25204e6b5535dbb02b412cf2a26360d482a0664c3ac196ea19acc5. Chain 2 (Bitcoin): anchored in block 960317 (2026-07-30T21:35:24Z), 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/BKR2K2500130.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdcebfbe47da022e5ea88d896c0c4809c26b21ce16da7fbb2dec9ddef72212755. 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/BKF442500092.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x54752bcd14127b31a0d893a97b0025ce21407f92ff3fcd00bcb3b8ffa67f7edc. Chain 2 (Bitcoin): anchored in block 957249 (2026-07-09T02:31:37Z), 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/BK16P2500310.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x51af42c9d49a52b3d75bff6341d2355dc51690e9dc607329a390b22c69aa252d. 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/BKF442500030.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x72e1ccc5db2a916e455b4d1c90e7744e938d263a9b529ff369486c6547921b6e. Chain 2 (Bitcoin): anchored in block 960418 (2026-07-31T15:20:15Z), 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/BC3PG2303635.