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 0xb8e32961f479257ca30fd43a01376b044ee8cf95f68ad4ff172b68ca59e47c56. 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/4d62e5b2-c263-4704-9098-dfc1c2a0d839.json and https://artists.proofprofile.net/proofs/artist/4d62e5b2-c263-4704-9098-dfc1c2a0d839.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 0x07f42bca5824d594f6ed1a1db5e0f37317e2524bd22c6377dfb2f3e5f40c7749. 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/BKCMX2400172.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x49d8e966a5688edf97d893888f2a9aa2a56841ea8004bffaf15ae7c1180ce08d. 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/US3DF2436351.
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7a23ed122e1673a03dba5e9f66a290208d7ca3e5268a32e6bc43b35445c6234e. 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/QZW9K2395446.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4992ee59d720e34c4f30551475dd7272d75806b4bbf402c57b10637379de651e. 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/BKCMX2500092.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfde4c6c3cd210b8ab6f911bd9bbf02344e973836dacd6dd99890cd72e3ddcf3d. 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/QZMEQ2537009.
MTG FAZ A POSIÇAO DO CANGURU , LEVANTA PERNINHA
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4bce2d017a5a1521a560254b18c0d80632b8ced10a92ad68934bda863440a4ca. 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/BXIV82272401.
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0296a54fdb78fec42502c269a60d4789fe599dee6b814e77df221e81956cb569. 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/BKCMX2500044.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x592198c94acbc90adac541e9377427b68a789d041a30dd89a187c4c1cae6fdc7. 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/BKCMX2500001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3672c133592fa233921a6e1b2a1036e386c32f5fb8bac00fab88e8b51617e043. 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/BKCMX2400541.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x15fc9a059dd205bd02de6b02fef21a8f95255d35d9027f961741f0af164b1c88. 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/BKCMX2400441.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa0cb9869bd0ec6c9c7e9e72f95d7e987381e4c15f10e9136653b3d8a9f63775d. 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/QZWV32418443.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbee03d7333d4ea26ed9779074829e82821330b5be29cc894e443297ef406fa53. 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/QZWDE2435126.
MTG XERECANDO NA PICA, EU GOSTO DE KENGA
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x77efa3864db011c65b70dcb43627c113ad4a9d40461006a5751720e66ac41da8. 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/QZTAY2406696.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3e0d14115a0d8908e028c2266b15804e7e419848fbb6dc67e3a7057b286eafc6. 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/BKCMX2400290.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa09bd7035ad14801b5b6f8929b3f5669b01f81842dc9d9f15cea271ca97c126f. 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/BXIV82477089.
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5eec63b02f31ffc85d07a76851fe44c9d2512089cb62ad87ad06d24196b0177c. 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/BKCMX2400177.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaee99e2b30488e7b0e2a09756dcac1330ce49258cbc5cf670b6f49e1c69f3bdf. 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/BKCMX2400007.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbbc8d562edf0a1a6a7e520d7aab965ee04b3f0c4618fae57e2359b8ed7f4d86b. 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/QZ5AB2415547.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcae2e12dde44954b6492388a18753ba3098114e6094ae025e50e5d8faf69638f. 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/BKCMX2300080.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x555bd70627f49d76fbed7c2b711af4a6ce02cc62ca65627a9b15af7f52244135. 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/QZWFE2386886.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa6afd54e0698a82abd624f5e4223a5830b7c477eb518afe067305beadbe334a9. 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/QZWFE2386116.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf8a9ee80a85fe36fae1aeb90251417cd71118caad2836ea6a532683cf042a82f. 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/QZW9L2302045.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe7eb1024f65a444f66e8c34118901e11050725302dd46094231f58c4430d525d. 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/QZW9K2395472.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x52a604f73f72af9478b943b5d10c05418fc0a4ed6548ef6fd340a5de8724dea5. 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/QZW9K2366327.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd5c89add7116402337e2d0aaae642dc79fc114fa70d537dfa503306586cf3274. 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/BXIV82325848.
MTG ESSA NOITE EU SONHEI COM VOCÊ , OS COME COME TA NA PISTA
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1b6b1f9bd2a21f48953113847fc1cc34d76cba16d25d05520d7833dcc39ad9c7. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/BXIV82332344.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4ce061e70e07138ce4055493b0b7f6f227f867e2bb45ee0782d91efd2fa5bce8. 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/BXIV82321125.
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x467a4290427e5354829fb134687b4baec799d709283f7f6c78b8992bc43af964. 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/BXIV82302709.
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7fcb598ee6c838c0dffc25fe83df66ca36f9846d6efb8c4f2d339ea9dcf1815f. 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/BXIV82345170.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbdf827ae8eec60b7b7098de3910c34927c5b924d33f355948bff7da860c8bdf7. 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/BXIV82351184.
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6f8afc9a67e703dfcbb2d38e10d160b4b6ed66c71df2adf1189f1bfb8643e52e. 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/BXIV82339375.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8df2bf8ad62cd1e3545297eb5a24b8b7349c8fe20737b2cc3155448b09066af3. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/BXIV82266274.
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xba16adeed0d82773d05b48373c846ed43849dc1d41519575e92500849ace821f. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/BXIV82204504.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x10f51fceff45a3d754f40784e9fd6f2050bd03de13587472f6f6c5731582eae6. 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/BXIV82247814.
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa69119590bd9a8f96bb57fbf2898ac2be3bd4dd6db272d14a0cd92d58e2a6132. 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/BXIV82268379.
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa5e9b31b1b3ec80a061a9ab4ac4ba541d2c625589a86855b6f1e7d2ad44bb253. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/BXIV82230653.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x094c5b8c039346d878c835e668c670bdbc7e2c686f1866aae136187018a05ae0. 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/BXIV82224784.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf2f75c64778e254a229b9847cb23f505b323af9b86316f0d73e801a23e2dd305. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/BXIV82212515.
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcb9649fb2f60b1ba81cc869dc30bdd779695d7810a11b12f4ce1518509e39b41. 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/BXIV82202628.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x50f466da6b802ea11409cf3b15b63b1caa2203c08027fde4768bc2508aa414d2. 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/BXIV82279607.