1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → block must exist at that height 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 0x83c9b4d972b2ac7ec857ef45da6fa785f416477516918f4bf2e86ee00f8eae13. 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/f934937f-165e-4f80-a978-0222fe1296e0.json and https://artists.proofprofile.net/proofs/artist/f934937f-165e-4f80-a978-0222fe1296e0.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 → block OTSBitcoinBlock must exist at that height 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 0x7c4f47b5802b73d80b2eecbe62cb9058aa55b109b43115201ac4192cb4f6a6ca. 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/BEY900500033.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x74be7fd25f62911d1f4f686436f940ab9392f22dd657dbeda2605494e7bb2c19. Chain 2 (Bitcoin): anchored in block 956748 (2026-07-05T05:55:59Z), 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/BEY900400024.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x38f4fc056c745779da5d71b319ee939cc9c0a162330617da083209dfdacd2471. 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/BEY900400023.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe7bff4bafc02876b1ab9f3920cd681edb7b867e8614f1443b3243cab2bda2a7a. 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/BEY900400022.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x90879a16018c844691fdf95ad76ca0c6f0a56e2df44f6172ca93c1e0acd84a4d. Chain 2 (Bitcoin): anchored in block 957591 (2026-07-11T17:21:30Z), 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/BEY901000088.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x687fa37e33cc25925edaa1a4d0a84c338a944326dbeeab7fb36da6b477b23ceb. Chain 2 (Bitcoin): anchored in block 957880 (2026-07-13T16:39:18Z), 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/BEY901000073.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbcf986eb28363b85d576e64068f337efe37db9b2cc17a6412013ad740f70b5dc. Chain 2 (Bitcoin): anchored in block 958157 (2026-07-15T15:10:40Z), 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/BEY901000071.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb91560fb7e4517359ebb48dd0acbe4c51512fd41389344876f86da7aa6197a4c. 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/BEY901000076.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8dc552b412ebe6d424884530560294cca8354f9993c2c9d9ec37d3a1aa9d12f6. Chain 2 (Bitcoin): anchored in block 958340 (2026-07-17T02:16:06Z), 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/BEY901000075.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x18c6736cc49e695f9248f901866c03d017969bbfa41da7736991f834139db5f2. 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/BEY901000083.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x32273c878b7f014d6127991916ad0640b2bcc7d7aee6dc24e5c7da2220978c77. Chain 2 (Bitcoin): anchored in block 958202 (2026-07-15T23:55:49Z), 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/BEY901000085.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7b71b7e8382b559520ec87dcd273da8da07f975728eec8ca6e5c79711068a6c9. Chain 2 (Bitcoin): anchored in block 958203 (2026-07-16T00:06:32Z), 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/BEY901000086.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x03ebeb994daa067be5ee72b8310e6413108b2dab98bd6e4a9c3fad0080c71754. Chain 2 (Bitcoin): anchored in block 958054 (2026-07-14T19:33:24Z), 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/BEY901000084.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xac0720f0251ec4f8d369fa5b1937ea8aaa3a7d89df21e5f68ada0941fc4842eb. Chain 2 (Bitcoin): anchored in block 958054 (2026-07-14T19:33:24Z), 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/BEY901000072.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x655e6af62b26c5bc151696543e16458b1a43cf51352ebd1710fe6bc0e81df82d. Chain 2 (Bitcoin): anchored in block 958146 (2026-07-15T10:33:22Z), 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/BEY902400026.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4bef985cc2ceb0a036311d1297ed3e7a9f36061d1de1df9c659ec281e2f75e4c. Chain 2 (Bitcoin): anchored in block 958341 (2026-07-17T02:18:13Z), 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/BEY902400027.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd53170553c151b122bf7986502f687c0ae7798c71e9d9fa98e0ce8e836ba6a7f. 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/BEY902400028.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6928af10b1ec705b9569d1c36ba5d0015fca8268d11578c34907f95943b1abee. 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/BEY902400029.
De zeldzame junglebloem - Voorleesverhaal
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdaaeca7a7ddfe67dd87f179e3eca39b1e26f4083d119e3129f7522ce7d42b2d0. 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/BEY902400031.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2dc28742b4c419ee252806097ae8e7f7e68fccf4b291bff64923390429fdd405. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/BEY900600067.