The Kargs are a fictional people in Ursula K. Le Guin's Earthsea canon. Appearance Kargs have fair skin and many have blond hair, unlike the majority of the inhabitants of Earthsea, who have dark ski
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 0xbce537d7282658fc472eaf85376f563a01cb575ed6cc02e6a6160dae28a89a47. 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/884fdf23-e999-449a-8b0a-8cbcc3298acf.json and https://artists.proofprofile.net/proofs/artist/884fdf23-e999-449a-8b0a-8cbcc3298acf.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 0x7a0a26bea6f13c654ee97c0c997539b9b278962b473b5d8c219a4b8ab761be4a. Chain 2 (Bitcoin): anchored in block 958341 (2026-07-17T01:08:10Z), 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/GBKQU1924845.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb500f85654a48dff448b092dff70c0032a3a293fa37d87fe0f41449d347676b9. 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/DEPI81600734.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xff1ed205dae4eba8769c2f0f76cd3d129ee6ca303b9c8b44bd409846a8897856. 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/DEPI81800427.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfa9776c13a84e029c7caa41a32f7bd8fe21e009175609c4f03c72baa61683a48. 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/DEPI81800428.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe0a277d83979716922a35ba411fd62c592af776b12ee9f2aa33510672d525b80. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/DEPI81800429.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x45a5aa0eb55af77c111016d93346cb5cbb01ad4b014c8283f4850ebf5ace6925. 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/DEPI81800430.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa11dfd3a5ff7fd986a2ca0ba6360e7389d7797396f6a7891d766415b4a98d802. 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/DEPI81800431.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5d6a7cc55a865e06599fbd48f005a8ebca322c379d153030e28109d4d70a75e1. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/DEPI81800433.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x14e7778e453dd1369cf2070ff77fc90a2e7010acff62928d945508d184c9d214. Chain 2 (Bitcoin): anchored in block 959144 (2026-07-22T15:38:35Z), 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/DEPI81800432.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1470590cd895d8ef7c5ea652371c4ae8a0570a0bdfa5da43b987256cbd63dee1. 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/DEPI81904399.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x85e27b50c2b94a85fb11f0c51f6a5cbdb392727e53742fa36634f94b3a904a3a. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/DEPI81904400.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd987df342d896131970ca4a34645ca51630779af1a08e91b2b9ef80757777b79. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/DEPI81904401.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x17ea3f7b2798e93a24fed9774a9054e872df35ce01248b0f1a048e64ed833078. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/DEPI81904402.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x428d35e350fadcd5a2df78a2621ca3dfcd697824c35a7a96efc714635cee9dba. Chain 2 (Bitcoin): anchored in block 957046 (2026-07-07T14:04:01Z), 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/DEPI81904405.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x639023b4d02c36ae711f332332675cd9a33534a1e4efb02bddf309971f5ccfda. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/DEPI81904406.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdedb5d0b62f198c427e771179e62c136a8be4d65e0b563bdce6391c20c2f829f. Chain 2 (Bitcoin): anchored in block 959159 (2026-07-22T17:48:40Z), 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/DEPI81904403.
Einen Traum weiter dort fangen wir das Licht
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x78b5e79e348f78f185bd80266ab394e61094103cf3973ee996e7adce572ec5bf. 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/DEPI82102431.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x33b0258e9ce9e135876b0816ae07202bf8a6661395baa14957bfcd1e692b94a3. 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/DEPI82102429.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x73cd37280740796a3c2091c8bf15bc79aa390839f0f602cab443ca699163d91a. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/DEPI82102430.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x78b5e79e348f78f185bd80266ab394e61094103cf3973ee996e7adce572ec5bf. 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/DEPI82102431.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf745fa90b334d5526da04b51b79f609358917e3a04f68a9df0fbf432b6db300d. Chain 2 (Bitcoin): anchored in block 959152 (2026-07-22T19:02:50Z), 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/DEPI82102432.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8612553cf1ad46e99a58a98413f4e8f40adcca2c09ec6388cc5fd2dd6682b5ad. 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/DEPI82402083.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe0db3b2ce24a923ead2d62b35571e1915277f31a9c60c9acc4470ffd79c40207. 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/DEPI82502621.