Guny () is a commune in the Aisne department in Hauts-de-France in northern France. History In 858, Guny's village is given to the abbey of Notre-Dame of Soissons by Charles the Bold. In 1368, Engue
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 0x677c07a30341f4d26c75706e31fb972ba5b9660270d8d3901b418b71e841d365. 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/ac8b7791-a05f-4e75-943a-0ca0e16c7762.json and https://artists.proofprofile.net/proofs/artist/ac8b7791-a05f-4e75-943a-0ca0e16c7762.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 0xcfed2bc9b114613982ebc01245c4bf0c913248903c5142cb3de2fab65ce086e4. 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/QZHN32044094.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8be6696aeaf304d2adf6888e2fcf83663aaa0bb5a81492e9c671d53b44539c6c. 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/QZHN32063386.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x68e9f57ca352f7edfc94cc85d24a23dec03acf30731e34a6481126f37bc46583. Chain 2 (Bitcoin): anchored in block 958918 (2026-07-20T17:58:04Z), 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/QZHN32054084.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4a1cd72d6a37f94c18fb4fbfb34d4f53bc5da7e963879268b1c7d96cf6054e4d. 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/QZHN32041429.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf0a16e321e02c166ac3268a813d3c7ee53bb6d8db911a298a5359861bdb89a23. Chain 2 (Bitcoin): anchored in block 958897 (2026-07-20T14:57:46Z), 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/QZK6H2053203.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x270370d3200a78aa7bfdc19a4b4e16765a51d12563bbd729725ae16ceb67081f. Chain 2 (Bitcoin): anchored in block 958140 (2026-07-15T10:05:23Z), 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/QZTAS2157938.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xceb28772c91cd8ad403f84d61f360b068d1c5df97cb323f67425a2170dd8ac12. 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/QZFZ22389865.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4cb3a3063543a977aaf50c54f824a6a2abcf8dfaa64c3a381337c9b25d2e7ed4. 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/QZNWR2239877.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe16cbea166d6266f09e86e46e6334d8b486d2fb5f69a6a979e79a7e8c36d3bec. Chain 2 (Bitcoin): anchored in block 958746 (2026-07-19T15:36:35Z), 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/QZPLR2288667.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbc76696a96ce7432aa7da2c5baea25ad39b8d5ec4be5e4b1cce1fa11eecd5b50. Chain 2 (Bitcoin): anchored in block 958846 (2026-07-20T08:14:15Z), 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/QZTB22252907.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x88c8c67d8642e46f8bd79242496329a37f60c3a1f08253feb416b3555c1186fa. Chain 2 (Bitcoin): anchored in block 958461 (2026-07-17T23:18:11Z), 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/QZES82287570.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x877a1af6a23b01673b6e90232567cfd6a0ba199a045b36e9c37ced64198fecf4. Chain 2 (Bitcoin): anchored in block 958905 (2026-07-20T16:14:34Z), 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/QZMEM2355273.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8968388db2892c6213bbf57d437f05cf49be9fd00a852227076adb5b3d143a4c. 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/QZMEN2300693.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x801fc85481769cc815567de2ca4e663b229b82659e477866fab71e12d88ddb15. Chain 2 (Bitcoin): anchored in block 959080 (2026-07-22T00:07:05Z), 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/QZMER2300215.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4cd3b33d40ce2d5cf98c00c4bb98c227048873740c50185f18f86a249fee6c81. Chain 2 (Bitcoin): anchored in block 958430 (2026-07-17T15:33:28Z), 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/QZNWY2379161.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9a18bb9765a909a3c819112bfdf5b37af9ac9cd2bb8e66032c45569e86d44165. Chain 2 (Bitcoin): anchored in block 958582 (2026-07-18T16:47:25Z), 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/QZTBA2313895.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x490284b3c6bca777b129101207a1fbb029e1b9ba9a32f10e3580370ae9ab35bc. 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/QZWFF2345805.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9fc903f020cb6065f92ef4ddafe74a5bf6eb8cb443186083d8e1ea28c59ad0a2. Chain 2 (Bitcoin): anchored in block 958436 (2026-07-17T16:42:22Z), 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/QZWFG2367660.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5abd301eafc3420907860d7019d85d9d4ac975fd27e67d38ebf08b4601cf8de6. Chain 2 (Bitcoin): anchored in block 958197 (2026-07-15T20:40:29Z), 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/QZWFJ2306373.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x958ad6b3bf129d6ef4130d1df613b7764582dbecfe42e75383cd9b3e72099717. 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/QZWFQ2369706.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb9f6201b436cb21b71d4496ae4af6f23dc08ba1fba03955c95bd8cb266c86185. 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/QZWFS2323786.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x34acd762f7a9ffe6d56194c3919a1921d5f0db65c67f76e3cf0a4c870a8eaedd. Chain 2 (Bitcoin): anchored in block 958639 (2026-07-19T01:18:30Z), 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/QZFZ32416304.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x78f6be7dcd8965c490280047f68bcfe0bbea5edd049ab45a57c4fadef979303b. 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/QZK6N2465347.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x364d0e94e71fc8f62e50635fafc3ef8db7c4e53f459b9b99bb6c2928bd460a15. Chain 2 (Bitcoin): anchored in block 958761 (2026-07-19T17:49:48Z), 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/QZNWS2430026.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5ff3c1ff95510aa1b8141773c8de9610b43c88126638b9e9499eba96660062d1. 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/QZWFL2426826.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x66712ee87c8f8c904f6073f1c7ff7ddbf5ed26a098554bd626799219547345f7. Chain 2 (Bitcoin): anchored in block 958234 (2026-07-16T03:46:09Z), 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/QZZ7N2454103.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfc35ac92f7ab6901eb8404277b2e24a838fe2c20b5989a2d6d33cc5fe4ecc96f. Chain 2 (Bitcoin): anchored in block 956656 (2026-07-04T14:03:39Z), 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/QZZ7V2450378.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe12695e55d1ecbf9a84813931e9811c33900857aa6c19c36cbf644628478f22f. Chain 2 (Bitcoin): anchored in block 958761 (2026-07-19T17:49:48Z), 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/QT3EY2422300.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdccb76b40841b9204d5706c3cfad6b4e4b5cdc10a243f5166cc438f97c216b7a. 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/QZFYX2547328.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4ef84a261ec646d207cc058b37596e6c1d46b63bfd442ea99db4faa52586f7c1. 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/QZFYY2588702.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe4c48187318bb602d24468577ca70f8a673aeea92b8b9bea032298bd05039da0. 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/QZES52558405.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbae5ad9e062ed050875c3832bbd733bd203d1ee2512562aec25d95ae94fe111a. Chain 2 (Bitcoin): anchored in block 959145 (2026-07-22T15:39:05Z), 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/QZK6J2514132.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbb4e7e9dcddba71cd9eda52e1748ab894b729a3c1cecfa51f3b475df2bab1764. Chain 2 (Bitcoin): anchored in block 958238 (2026-07-16T04:30:31Z), 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/QZNWW2509802.