Events January January 1 – The British Broadcasting Company becomes the British Broadcasting Corporation, when its royal charter of incorporation takes effect. John Reith becomes the first Director-
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 0xca46e3f370e93d15d99a35b741102dffc0217cd27f29628c450edd3a4182e44c. 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/61c55e69-b5bf-4859-bc9b-af41d0540ecc.json and https://artists.proofprofile.net/proofs/artist/61c55e69-b5bf-4859-bc9b-af41d0540ecc.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 0x43a0347c8a0bb869180438fc051dd62ce6ff3d42196aeb05490e3b9543526c1b. Chain 2 (Bitcoin): anchored in block 958276 (2026-07-16T12:43:41Z), 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/AUAL00900034.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x56191f661a771248e3f57a175acf4ec822ba137b1669a1e64bac3bdfaaeb097f. Chain 2 (Bitcoin): anchored in block 958157 (2026-07-15T14:50:54Z), 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/AUAL00900041.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe73c61c14c1a2468d5564a91b11ef932fdc814f53247c914eafbe74758cc8464. Chain 2 (Bitcoin): anchored in block 958060 (2026-07-14T20:39:42Z), 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/AUAL00900043.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc598bcafcb611e1cccc0553bf5f8c14f948899b55d4d3d9dab88f28170f79c91. Chain 2 (Bitcoin): anchored in block 958931 (2026-07-20T21:15:01Z), 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/AUAL00900044.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaf2453be3ae6b27c59c300b3dd5df7df54b17287f30fa9c63d1d5bba9170df8c. Chain 2 (Bitcoin): anchored in block 958063 (2026-07-14T21:07:34Z), 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/AUAL00900045.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdf70618d1ee01d71a08291941fc146c3cea89dda66fee2a9d283eff84543646d. 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/AUOM09001331.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x88f6c5c256974e6c05517d497965fa56bc9a3e07e60d28b8fde6fd55e8d41106. Chain 2 (Bitcoin): anchored in block 958340 (2026-07-17T00:53:26Z), 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/AUAL01300013.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x57a4d6c8dc858d50163cff4adc1f91157c103d8b9d618bf48c4c0f4e811a1580. Chain 2 (Bitcoin): anchored in block 958060 (2026-07-14T20:39:42Z), 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/AUAL01300011.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x38f021383e863be16f7ceb823e23cc9fc22d2562236393db9901ccdb6ab85b49. Chain 2 (Bitcoin): anchored in block 958905 (2026-07-20T17:27:44Z), 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/AUAL01300014.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe448c3696cecd18e8d1e4e13e69fce1fa6449e63313eb5ad060bdec743f63d57. 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/AUAL01300015.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0ddeedc0056d2ca4f55e5f0337749cba25e1df3217029be18f6b444416895535. Chain 2 (Bitcoin): anchored in block 957620 (2026-07-11T22:32:56Z), 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/AUOM09201334.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbd9c8e06fb197a2c241bc856e9098598e6255356201d300fca503bb792e208b1. 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/AUAL01300044.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf81bd02000242dd2e7b5365753671b9ee464e2afb431d9552bfe6abd5fa236f3. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/AUZN31200385.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8e60332d777c83031ee4b1a64c824ae7150be931c2216208b9e9969048b3e948. Chain 2 (Bitcoin): anchored in block 958444 (2026-07-17T19:12:23Z), 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/AUZN31200387.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc17102cea158ff4d5eac7b7b4fd5e2227497cf38277f33cb0fc18d6fa1718079. Chain 2 (Bitcoin): anchored in block 957611 (2026-07-11T21:33:50Z), 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/AUZN31200388.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x60290f60678654ddaaa8168273ddf1b78fdf6ed077833dd63b991629147aa7fe. 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/AUAL00900035.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x60290f60678654ddaaa8168273ddf1b78fdf6ed077833dd63b991629147aa7fe. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), 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/AUAL00900035.