Draganov is a surname. Notable people with this surname include: Dragomir Draganov (footballer) (born 1981), Bulgarian footballer Dragomir Draganov (historian) (1948-2019), Bulgarian historian and
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 0xcb149dda60fb41e3e99ad1592cd2f095c69bb3c9cf369dea39910ceca9aa4694. 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/273694c9-cdf1-4d85-8630-da03c225cc94.json and https://artists.proofprofile.net/proofs/artist/273694c9-cdf1-4d85-8630-da03c225cc94.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 0x7329466bb54ed17be5da2510f905c2a59cd6500cc735cec21c9b99c3f6e16f26. Chain 2 (Bitcoin): anchored in block 958793 (2026-07-20T01:47:54Z), 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/LBA0H2000593.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x40b43bd634626aba77ff11e598a9181a036c1acb27fef3a8076171fd1b54ae2a. 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/LBA0H2000599.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcefb313e0590834982454263d06cef4e66e780250f4a1e2424894a4adfb855e1. 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/LBA0H2000601.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5c5fc8799d4127bda5bef16472a4a906236653e0db8c308076a23c81006bffba. 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/LBA0H2000604.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x61d01709edfdcc800a95cd4219b5387cc6a01185845c4864ca4a33bdea0db365. Chain 2 (Bitcoin): anchored in block 956476 (2026-07-03T09:04:44Z), 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/LBA0H1700342.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbdb9125ac1ae328e157985b22903c1b3c9212a4bb3dcb2d7640f70021d3c5615. Chain 2 (Bitcoin): anchored in block 956476 (2026-07-03T09:04:44Z), 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/LBA0H1700343.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5dd7b9ec4818ea7258ad1c1c994030f7581512efde0059a491199702abdd0653. 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/LBA0H1700347.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1e6c2e41bcb26976e9173e815d875b9bc4e4fb5d3db8887766ef45f9ed223502. 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/LBA0H1700660.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x536f314df0bf56d179e31451631bbc1fb26a1ce4e0dd8cd94799f1b4a72b8c49. 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/LBA0H1900842.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbcaba3f12291bb5c0f80f88f2a6c948f4a96a8fc6cbdfacabfec05eb0334c5e9. 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/LBA0H2000308.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2f303c4a50d1b0d0d26d3b2ee48bbc6c97db0441bd847fc0d244113b03b5f5bb. 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/LBA0H2000311.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4d4ca48d2a52b68b1c9cc79bb217764fb78815a3ad9aa13a0bc7dfdf3be5f4ff. Chain 2 (Bitcoin): anchored in block 956742 (2026-07-05T05:07:15Z), 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/LBA0H2003894.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x570a0836fd38b1bba4835c26c13e860db89d316c657dbfd0f37171d883f1a6f6. Chain 2 (Bitcoin): anchored in block 958612 (2026-07-18T21:29:37Z), 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/LBA0H2012058.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xec40182f95b1314339a2fdcf8cecccfe394486572abd7202943d94a966c2c667. 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/FR7X62400080.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2a1fd9c8af8661159e23efd82f71677b1f3d7aae9ebdcad01e245b2e0e453ffa. 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/INUM72400227.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfb53fed3909b0b705a13db1b05e7bff5091138322b1f790fe8fca0ef567b169b. 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/ITQ002300914.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb5d9f3d22a15a491ef5be0df89abc5f6bc596ea50afcf2eb29e7b1d5f741ba2c. 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/FRX452444814.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe94342514df3aa3b7cbb028f0eb183353827ed2da5ccafd87c67df02a35cdeb8. 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/FR8GV2426210.
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