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 0x32c8bd8f6a9af1a38761cffcd6373666e0bb59590ef0a4015d0efb598f578811. 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/6c753faa-fb83-47c1-90cc-d2358724539b.json and https://artists.proofprofile.net/proofs/artist/6c753faa-fb83-47c1-90cc-d2358724539b.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 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 0x5a4393b1603369c63f91c661cb725a2cca8a5da0d3c1892895ff57275adda66f. 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/USUG12205724.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xed967f035be8bd167d12826e4dc20d51a2f43ef1fd25d04cc8f2b13436fc4e76. Chain 2 (Bitcoin): anchored in block 960150 (2026-07-29T21:51:49Z), 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/ZZOPM2235043.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x01a82d01594d6019b239e070b3b403b79c87f27a6e916a07f19fb59b40886d46. Chain 2 (Bitcoin): anchored in block 959134 (2026-07-22T13:34:27Z), 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/USWL12201028.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf88ddcda7cb3f60859e9341b9e4c9ce4d8dc70e2373a98726a13ded8d1303ae1. 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/USLD91755415.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4993b792af2431cc737f8d5d8e78fe22b72ee41aa78e73eb83b97877867b393a. 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/MXF152201206.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x51965f8d454c475a5d031f73ce90616ae1a43cbd078b4300df86f2027bee2c6c. 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/COSO12400076.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x17f0d0206e71e7ea7874278682d4fc42e690a84693489d6e7df1ce9a32658ccd. Chain 2 (Bitcoin): anchored in block 960254 (2026-07-30T12:06:10Z), 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/USWL12403227.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc88048056314469a72a04f268d81f81e987b8719a83d5f1c2f38af3e306d72df. 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/QZYFZ2406944.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xef727c142eb5d7e8973abb9021c475ca1ad723741978fe33c8cdeab98317120f. 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/QZN882509450.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1ce350840a76e71b36f114071ab77389c8e2c66b4ce56ac82845e07507e6b0bf. Chain 2 (Bitcoin): anchored in block 959118 (2026-07-22T10:01:58Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BK4DA2202868.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7fe851c7da87f13f4f18e68242cf4487939d2615f461207c404aa2da18b8720b. 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/ES75E2402337.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4af94f0631aa7314acb47f4f14bb19de5d2e5fad5135d90c3fbb6e060d502e17. 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/QZZ662438417.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc7be8b2cbf73209ad999fc7238c16aaa946f503ed8d71c223eae34d2c212a324. 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/TCAJB2461290.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x73bc4c2f61ba8257b967280a7943c2da2c07d2018c73c82b67a07b6e71a6905e. 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/QZHN42532002.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb87a68d1339a541662f31d3238416e37ddf0dd05cb54e2d0d9e612eca03e1b7d. 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/QZW9K2443436.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x78511b68c0ac4d0b7925d41411a89b21ed4cb47fd7a366010090691eceb98723. 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/USHM82511311.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0de68188edd15fee4d0064ee52afc68992aed3df9ead95544950888ea6c4df04. 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/GXBAV2573934.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb934b662b25c7f3bf5656edf8adcbcf2a1cf340ed8ff8f6885dfee0f79b72d72. 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/BK4DA2506395.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x152eee92337047cdec67dfbdde9a869878e3087e0e9592daafba4f03b216e5d5. 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/QZGLM2522657.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdb67509790c98db3393600b9a644a90cd3e183d99452cb34c218082f572b1863. 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/QZS7J2429178.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdf63417864bf4bdf2035a2f97c3b3eaafec2fd4a2ad79c08daf6dbe61a8f6139. 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/QMDA62483189.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xda3997c46edfe0ac5e3e1e576675d0d133d3bb9b41471619c1370106c6b0bd79. Chain 2 (Bitcoin): anchored in block 960105 (2026-07-29T12:35:17Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DGA0M2421156.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf3a2751e725fbf1f5c9d60b40f7631bacaffa1a567d7aed35a58ae28b8c07eed. 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/QZWDW2443111.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7371b06c094a0ccbd593a7a94117b0510a3732913708264c1d73ea62bc0dd9fa. Chain 2 (Bitcoin): anchored in block 960117 (2026-07-29T14:28:24Z), 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/QZTPX2422489.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x62875fb9b367eed6cfa13fbeac4e4681e6580b666fa19b2e30cd1f95b24a6b10. 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/QZNW72411345.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x230b4dbcf473f1ca668965a1bba03ed64edb259115f1bf089e4a80310ddd1bf0. 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/QZNJZ2440504.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x029a1e007e2afb89a575bad00a13a9cc7bea33f41411a7d5ff29788d3e0a3163. Chain 2 (Bitcoin): anchored in block 960264 (2026-07-30T14:36:16Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM7282419130.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbd324ea3ae45021e124b18b003608505424d560bfa63653ba81a66a33ef57135. 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/ES75E2404827.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6ce41d161c8f94fadbce18873c05d9a357e9f06036bd7476b82bea15205be828. 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/GX3Q92484623.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd619b3f317a9ff9b22263e10cfe7b8e86b637d4fcfd1a35b0b58d3771ff49ff8. 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/QM4TX2452205.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x93a8342a266255692c0669896cdbf435b8609b8943bc57c9b926e9b23e053b91. 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/USCGJ2484498.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8857cabde29ed933e472e26597c4085c39eb12bac39e269a7114ab900776a138. 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/FR96X2447830.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe57ad95508b032d1c58ca5d9b80499a870131688a247e4048d250f93f7828c74. 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/QM4TW2424103.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9e4be1a85f8ecaf1c02d8a42df05aa161a144c130a6fc9d371241ad895eaaa40. Chain 2 (Bitcoin): anchored in block 960509 (2026-08-01T04:30:37Z), 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/ES75E2308334.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x873b2954d0f784918a2ebdc8234f735d0528d40f84250a153970643c367032d9. Chain 2 (Bitcoin): anchored in block 960302 (2026-07-30T20:09:33Z), 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/UKXN22302209.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5a92bb0cf1c6cc071cba4f40676c473c672dee631628347b3fb3b16d97f1db3b. 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/QMEU32308783.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdf6dd3341bbc4d026fefa23e96b7d5d4027eb9c3cc80a4a3adf7f67855167edb. 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/QM4TX2303488.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x846e9610ba32b8590be1c9684d8315bcdf144e0e2e73a7afe0cef43ceb4384cc. 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/TCAGU2343775.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x43bf0c14e0db6eedda9e45afabe3942b13497b5962efefcf4e884aaaad4f7d70. 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/UYB282277000.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdb97222982f6c9673389f3e1d90c28040c2cd8932d3fd1adca653adb6205d810. 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/QZ5BF1600040.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0761c0bffd8601590df53f797c92bccbae70e57a6f512e5048d91232b0429f85. Chain 2 (Bitcoin): anchored in block 960099 (2026-07-29T11:30:20Z), 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/USWL12300837.
La Nueva (feat. Blessd, Nath & Natan & Shander)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x327c1cd2f732726e9097aa9f86bfb537a7ac734236ded30c33f6f4365357e83a. 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/MXF152200234.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdb97222982f6c9673389f3e1d90c28040c2cd8932d3fd1adca653adb6205d810. 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/QZ5BF1600040.