Tik Tak is a Belgian preschool educational television series created by Mil Lenssens and that aired on BRTN from 1 November 1981 to 25 December 1991 and CBeebies in 2020. History The program was co
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 0xd78a6f5ee4d32c1d414940686d629cae48e739b23f4ca2bc0998f84751e30dad. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/d9d8360c-374c-4590-a707-2c38f1bd1539.json and https://artists.proofprofile.net/proofs/artist/d9d8360c-374c-4590-a707-2c38f1bd1539.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 0x412525f988152494e07928805c26904b321f8174247d6152648180b32b402e1d. Chain 2 (Bitcoin): anchored in block 957766 (2026-07-12T22:25:04Z), 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/BEA031900058.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x440aa3bfc144dbad50e87fcc0120dc240644bb94ae278e006e121049ad9c7413. Chain 2 (Bitcoin): anchored in block 957852 (2026-07-13T11:25:45Z), 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/BEA031900059.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc63db25d614db3fb6497fb94482b899338d4ff845f0a9481021322c09fb6d72a. Chain 2 (Bitcoin): anchored in block 958224 (2026-07-16T02:28:43Z), 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/BEA031900060.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7e5e1b9e384e2afea80466e0c39e949952ac073a3ad8332e219687260a6a30f8. Chain 2 (Bitcoin): anchored in block 957771 (2026-07-12T23:27:28Z), 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/BEA031900061.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1584eff5dd0142c09c2033ed1e8b9096ab84a2205d9ccb1a14153800a5ff7341. Chain 2 (Bitcoin): anchored in block 958324 (2026-07-16T21:05:52Z), 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/BEA031900063.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7ecd416c38209f374e84021bddbabe2f1916713d61e526e884c8298577595ad1. 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/BEA031900064.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x49b8fd1cec8c067d8e06da56872b8a109746a26778432ff8c5d8c969e5d4edd1. Chain 2 (Bitcoin): anchored in block 958324 (2026-07-16T23:48:20Z), 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/BEA031900065.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9a162065e976b14a698eed91ea79d0344ad89174ae8478bc2819a9ab552eeab4. 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/BEA031900066.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0d32fef7ca3d78a4896c05c7c8fe6ea56c26023f4b1c02270bf457a56b82db58. 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/BEA031900068.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6dccb7c790fc67fc4b89cf67c515f786f5888e8f7ffed9f740ba7a2489cbb757. Chain 2 (Bitcoin): anchored in block 958300 (2026-07-16T16:14:30Z), 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/BEA031900069.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfe4b45b419b5ca71235d278a1d3d74c1f70ef002b91c91f69c00b53bf2eaeced. Chain 2 (Bitcoin): anchored in block 958362 (2026-07-17T04:32:48Z), 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/BEA031900071.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x144e79b94a3629b17f14fedc331b0c92d47624fa56a901a2aec64eaf0fd24faa. Chain 2 (Bitcoin): anchored in block 958420 (2026-07-17T13:33:01Z), 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/BEA031900072.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8792f352e90bae79d2d8ba9ef6d8a44d0a717f1f5953294a5d70bc991dbb17c4. 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/BEA031900073.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x14e5e76fc58ace6eaca80418137656a7fc722e7f6f28cd31cab96fd1c4782051. Chain 2 (Bitcoin): anchored in block 958506 (2026-07-18T06:14:51Z), 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/BEA031900074.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc4b9c08e44d98f3ac9c03f255012193213ca0c8a230b04802ef3b3acdb1f491d. Chain 2 (Bitcoin): anchored in block 956484 (2026-07-03T10:47:44Z), 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/BEA031900075.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x29309d232466e3d9cfc346f2c20662af199ae927aa0405ba846aae0f8cb74e26. 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/BEA031900076.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x15adc5a97834425e33d981628dc7b491cf7fec0f7178fafcb30712e0b4d8054b. Chain 2 (Bitcoin): anchored in block 956738 (2026-07-05T04:47:21Z), 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/BEA031900078.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x34176c716baaff229eecb185642927e6d2cf2f5dd9086085c0e7bc205a9086f0. 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/BEA031900079.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x939dd20f336241f706615dfbdf872bc6cfc02b57ba9df181ce01fd8135e3f719. 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/BEA031900080.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9f5c39f51e49b22a658581a667e5e794c1bdea8442d76757879996ce0a14eb89. 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/BEA031900082.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfaee92076dd2889ac4f4d1043c0c66d715003939644824b6fb78fd4a3544179c. Chain 2 (Bitcoin): anchored in block 956728 (2026-07-05T01:43:49Z), 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/BEA031900083.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x18b90c0c2b93ad07dfdefd01cc78187aea5317078efa36412138ed8272c535b6. Chain 2 (Bitcoin): anchored in block 958749 (2026-07-19T18:45:33Z), 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/BEA031900085.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaf355fade38a8c16cb793044e8451d45d51a1b68eb8fb2570783ff3c716c8aef. Chain 2 (Bitcoin): anchored in block 958842 (2026-07-20T09:56:16Z), 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/BEA031900086.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2e0f9b269ff1e535a9edf0d0190c935a8fed34b0e38952bf9d18b03111fd9cbe. Chain 2 (Bitcoin): anchored in block 956776 (2026-07-05T10:59:37Z), 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/BEA031900088.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x14327c588e428358cc886d9010d1137ec68091252045a3350ffc5682395dfefb. Chain 2 (Bitcoin): anchored in block 956742 (2026-07-19T22:49:41Z), 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/BEA031900090.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd8104702443e950c6b287445361b3e8b12438390429d768ad5024a2e765d76c8. Chain 2 (Bitcoin): anchored in block 959002 (2026-07-21T14:42:47Z), 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/BEA031900092.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xba46247926ee8790b48ecf66bad5a39354c21eefb289cf1e6baefc69f985ae0e. Chain 2 (Bitcoin): anchored in block 958544 (2026-07-18T12:14:37Z), 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/BEA031900094.