1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x32f1a9e27aa08b9d3f13396fa8887e8b5b932c45bc5bcfca029d2875587fdf50. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/1faec9e7-2828-46f4-87ab-0bfb284c0bfe.json and https://artists.proofprofile.net/proofs/artist/1faec9e7-2828-46f4-87ab-0bfb284c0bfe.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8b920882a816cb0778d69f6be5a0d8b8f9cc3cc3c4147df9c74faf99fe52fac9. 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/PLE951300895.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe3c26e6c54596762282876e1d554de22c5eb98334194ce84212c13705caf3131. 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/PLE951300896.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc1bc9d22172d6d8f04b04c2f2162a9cc625445bfe1a0ca07a2a3fc3a38744b67. Chain 2 (Bitcoin): anchored in block 956576 (2026-07-04T02:06:47Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PLE951300897.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa1ceb170cec50bb0d289d18b0f30c1ebde023c98dcbe4e770098f17703eee227. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PLE951300903.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x92a6b640fcc977eab52623b81c44c54f9db437cb869d2728210d2646e275322d. Chain 2 (Bitcoin): anchored in block 958808 (2026-07-20T05:02:18Z), 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/PLE951300905.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaa9c72e5a319995f3da265c4f161951b4a56d5a31c22aa74ee156049be0f675e. Chain 2 (Bitcoin): anchored in block 958489 (2026-07-18T04:13:26Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBSMU2621603.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x05e5d766fefb73ea0f707cff7181780b6111434d4b13dfa71374bfac5cf4e3f5. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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/GBSMU2621607.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x384993a8565e51eb0770b6f43d366228a000de51acb050505d80f1a7291f11cd. Chain 2 (Bitcoin): anchored in block 958690 (2026-07-19T07:14:39Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBSMU2621611.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x29090a1b704ec564f789df8d218f93946f08cbe4d152ab08fd4349f107958f51. Chain 2 (Bitcoin): anchored in block 958208 (2026-07-16T00:36:31Z), 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/GBSMU2621612.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x30a00a9941f6a496670791af49af7ec97e57bb71d22093326d5013c14973506d. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBSMU6232367.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x65a28da0385681f5fc1e4b40b9deb37d662880b513db904437391342560d1201. 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/GBSMU6232372.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x75ba3c0a06f9d750baeda304828531c063c25fd311de5c181418a70b619c1821. Chain 2 (Bitcoin): anchored in block 957699 (2026-07-12T11:51:06Z), 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/GBSMU6232373.
Przyjdz Duchu Swiety - uwielbienie online live (Live)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaad4702ac00f2d7d8a0a70b5769150a12595383505668b971ceccc340bfebb1d. Chain 2 (Bitcoin): anchored in block 958157 (2026-07-15T16:07:00Z), 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/GBSMU8250042.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdf29b7ecc17a022d3b18d29d24edc5369c2d8064fb4f9e6dba4245ffecad8894. Chain 2 (Bitcoin): anchored in block 958300 (2026-07-16T22:08:05Z), 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/GBSMU8250045.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2415aa51a2ad1bf3cafddccb62d771376de77e066f2a892283254bb1f6217a49. 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/GBSMU8250046.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa8e6da3bf7d5c43b1e13f516cb1546d4a328e5262bb88507c5a31eeff14aaadd. Chain 2 (Bitcoin): anchored in block 958342 (2026-07-17T03:05:14Z), 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/GBSMU8250047.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x90d0cc2a8a7123d84c1872aeeec8f088b4dd0c0c40c27c371f2ab096824f33d5. 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/GBSMU8250049.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc676c9b2afb40a2cb042583673ba96a231c6c97c81652e1a561bd6901f033022. Chain 2 (Bitcoin): anchored in block 958341 (2026-07-17T02:48:05Z), 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/GBSMU8250050.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6276f41fb2c6658bed49b5b62d9820e83baf4967ed1a5a6d20ac3deee8f2dad1. Chain 2 (Bitcoin): anchored in block 958547 (2026-07-18T12:44:05Z), 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/GBSMU9823555.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb5e095c8823d16ed9501a14b4a1a6bd5aa46e7535217e1b977f931a8568c3edd. Chain 2 (Bitcoin): anchored in block 958601 (2026-07-18T19:27:02Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PL66N2300001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x702f646f58397cfce631bedad6ab1bb5ce54c62231767c986fe57f716f1d77f3. Chain 2 (Bitcoin): anchored in block 958212 (2026-07-15T23:25:50Z), 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/PL66N2300006.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa295d17310420d76dd3a5b3aaebc5fc9e5c8dfe8c040abff80eae8a50d303276. Chain 2 (Bitcoin): anchored in block 958063 (2026-07-14T21:07:34Z), 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/PL66N2300007.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfb15b6968e84a1a41ba1f50a213075254aecd296a0ba5959b69af8e994f2d513. Chain 2 (Bitcoin): anchored in block 958706 (2026-07-19T08:50:34Z), 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/PL66N2300008.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa110c7496068a9570028ff1d2493dd2d40c44ba2039e525073de5af8dbcb6fbd. Chain 2 (Bitcoin): anchored in block 958444 (2026-07-17T19:12:23Z), 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/PL66N2300009.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x440b0dc323629816b1980c7675c3a7e74388f88487aa0324f893f8d4455c077d. Chain 2 (Bitcoin): anchored in block 958726 (2026-07-19T11:47:20Z), 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/GX8LD2308736.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2216486040d523228b04278802998f1d256109ddd6e274132f48d6c83941d80d. Chain 2 (Bitcoin): anchored in block 956560 (2026-07-03T23:28:02Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GX5MX2533864.
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