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 0x0b9ed2033d4a84e330c71c3eb2db52c1ece4c50fd10283015002db8cd105722e. 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/fdd8d68a-6a7e-42d8-b71b-5112132d4bb7.json and https://artists.proofprofile.net/proofs/artist/fdd8d68a-6a7e-42d8-b71b-5112132d4bb7.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 0x0293ee6b5ab18fe2cb9d989ea6bf4c8df2e1fea98b6c5ae63854e33b63a614d1. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/QZK6M2221422.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5ed9588f44180502aa8e2cd43009fd4445a923e1895b8433ce6f104ca596333d. Chain 2 (Bitcoin): anchored in block 958484 (2026-07-18T03:34:53Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTAU2209772.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8a116625a362e6960b14eab2f5549e52e66ad73943efe9630ba85013bc314fe0. Chain 2 (Bitcoin): anchored in block 956841 (2026-07-05T22:14:35Z), 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/QZTAX2226296.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0dc85726ab4a76f924ffeaaea7fbc3978acf91e546797b1fc166c29307ef778b. 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/QZES52378158.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcc34057a693815cdea2ca27039591e6839dc7564315f3ad94ae4049ffdfe7661. Chain 2 (Bitcoin): anchored in block 958216 (2026-07-16T00:00:34Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZES52378159.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfa68f75a9420bc2d8d228f09c915982c08774f3d621e6fa5e6a476e5f55d0f4b. Chain 2 (Bitcoin): anchored in block 959076 (2026-07-21T23:41:40Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZES52378160.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2fc8f98b48e2a159dc2fe4d3152fad8de99b23e899c61e843e41ace364241512. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/QZES52378161.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6e01537ed9c357b331c5ec297ecc2cfd4a9794b75328e33b2a7fce27f5a686a1. Chain 2 (Bitcoin): anchored in block 958631 (2026-07-19T00:50:09Z), 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/QZES52378162.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6977f3a444880662e1c31b5551475a10c6cc081dd33cac837945b1c5d259521c. 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/QZES52378165.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x060a6a4daa3bd01d232190dcf43b70b74b9c06020975169e9aab4ce58263c052. 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/QZHN62311615.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x483800daa114c3f8cc9bcba55747714c9b95643599755a19e15e304beaf812a9. Chain 2 (Bitcoin): anchored in block 958822 (2026-07-20T04:30:07Z), 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/QZWFH2376279.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5a8b98b8d0ea360bf3062b457dbd3d8d73340988c08515744077f7d649cabbd3. 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/QZDA42458711.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbdf33165d305171797ca73917569dc7039219005eb654180bb780ad1b2aa2876. Chain 2 (Bitcoin): anchored in block 958428 (2026-07-17T15:15:14Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZES72457747.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd9c1afad9175e1afe08bf3ecd92df1f96f3648731133171a2e261ccc257bda2c. Chain 2 (Bitcoin): anchored in block 958422 (2026-07-17T13:35:31Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZK6H2458387.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa39d7d068fcb445b3c8e7f8da40e58503d5eedbe674d746fe24a3ed0ae55f081. Chain 2 (Bitcoin): anchored in block 958607 (2026-07-18T21:01:11Z), 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/QZNWU2471659.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe9f4f8950c67731114430a5ed8c3bbc80c1bf17c4f258fb4d94d4dd4c6413607. 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/QZNWU2479513.
Experiment Sinpack Mylan (feat. Sinpack)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1360af6515a2b88524a3e64eea205afdf94feb14a3cc0b2a4186157b095d34ee. 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/QZNWW2418771.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x65cb6aef77d60dd66637fd5d3a0b9235d52ee3b8e7c2ac85c6ed8b9650c42875. 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/QZPLR2403579.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xecf6342c4712e55aa621fc45cdf1a5e3522ade1d31f0b45bb5c9808f8fd05b10. Chain 2 (Bitcoin): anchored in block 958917 (2026-07-20T17:53:56Z), 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/QZTAU2444769.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc2d39c954b177a97ed904e6d8b017bc59500cbf99a3c4a09047695a238835303. 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/QZTAY2460377.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x55786b7f9b3c03641ba9df5a3da958adebb52105d302a2346322f2597429064d. 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/QZTAZ2401091.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf94f1c2649875c0bf06788a0588430128e49bad234e4779fd080bebbb7d44a8a. Chain 2 (Bitcoin): anchored in block 958350 (2026-07-17T02:31:22Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USLD91765043.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x628e3a94228345ef2266f0b1698f588c394469c6e52acc3b8d306ff4d855d2cd. Chain 2 (Bitcoin): anchored in block 958362 (2026-07-17T04:32:48Z), 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/USLD91765045.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xab1dec7fb2b491527bc01cef6d1396e7732dfda7f53d72eb871d0a087ec67a8d. Chain 2 (Bitcoin): anchored in block 958913 (2026-07-20T16:58:47Z), 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/USLD91766599.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcbbdfb7e0cd0ad696f6e520dc435544a2f8b5dd08e8499106e24a35d225ac174. Chain 2 (Bitcoin): anchored in block 958985 (2026-07-21T08:39:15Z), 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/USLD91766600.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd521f422ff687d26de3aae543dbf078c1c352725332c00a6f56c45479d30c808. Chain 2 (Bitcoin): anchored in block 958366 (2026-07-17T04:59:09Z), 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/USLD91766601.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd7ac2bd18e030fac65dd235c16ece063c8aa59ccfb276a0cbf382b83b58f1aad. 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/USLD91768487.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x00533b01fb70110114d6a78ebf1eca2910d9cb365e83b881f6c70306c85b0904. 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/USLD91768489.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc45cceb88106aa5947bbc1cb6fea1bddb2ce03e9ffe623a8734bfb246937388a. Chain 2 (Bitcoin): anchored in block 958631 (2026-07-19T00:50:09Z), 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/USLD91768490.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf3945125d46b378eed5848ed2084719b107be97edaaae5e044e22873825beac1. Chain 2 (Bitcoin): anchored in block 958738 (2026-07-19T13:10:36Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USLD91768491.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb75a89d504bcaf2a9ca0301fb97ef3fcd086ae91055d257803a8d8d7864c4251. 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/USLD91768492.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1f71769899f30fc3d447d06a28290fa5f6423fb3a8bf6d8de2c2c418c7a1c20d. Chain 2 (Bitcoin): anchored in block 958792 (2026-07-19T22:55:52Z), 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/USLD91768494.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x39a3c6e80f02dbe7f488cd58075ee701a15dab4e604c5919a0026c9ceeceda77. Chain 2 (Bitcoin): anchored in block 956745 (2026-07-05T05:33:35Z), 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/USLD91768496.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x707e911cf52572f4bd537302521c9ecda9660954b74e768778c87e681e3474ef. Chain 2 (Bitcoin): anchored in block 958796 (2026-07-20T00:01:46Z), 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/USLD91770437.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0de5a1225b6466bf821f28b5382ae6113cb37c67877a72371d2f5ac17957b30a. Chain 2 (Bitcoin): anchored in block 958194 (2026-07-15T20:32:27Z), 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/USLD91770440.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x30ca50c07dc47f0ae608a872286e230f729de71ebb684fd5bbe08637041f0a83. Chain 2 (Bitcoin): anchored in block 958137 (2026-07-15T09:47:57Z), 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/USLD91770442.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x898588e43fd8652a76e12811791de2f258c61b074c61245d826b6c29bf299733. Chain 2 (Bitcoin): anchored in block 957882 (2026-07-13T16:48:10Z), 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/USLD91770444.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa570982acbbf3e11c41d51e37cb68736db5bf81c1fb9ef84df0aedc30fdb1150. Chain 2 (Bitcoin): anchored in block 958256 (2026-07-16T07:22:18Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USLD91770445.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x95584726c953926de62b36523779e6102a43e64b55e41adb2a894181cbdaa0fb. Chain 2 (Bitcoin): anchored in block 958796 (2026-07-20T00:01:46Z), 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/USLD91770446.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4ce0d27b00bbddd62804c173953b25e190229e157bbc6dbb83f7ccc653f97a44. 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/USLD91779221.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc4e9a336edbe4dd7e0a73a03f76f2a4aa4293295671b1371497b71e17c2399d9. Chain 2 (Bitcoin): anchored in block 958110 (2026-07-15T06:57:12Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USLD91779220.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x87cb394fd0fe285ee0e74a11294201362a41fe466e9b372a5cb7acb81dbb170d. 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/USLD91781475.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbff650360eedbeb5d3d5b3b74e462973a85d45edb9582edecea219a2d6deef4c. 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/USLD91781477.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x20ed93f9517ac421962697a414d5cc6c52411ae210ce19edaeda3aeaa6cb814f. Chain 2 (Bitcoin): anchored in block 958480 (2026-07-18T02:58:58Z), 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/USLD91784285.