In Latin, Caius is an archaic spelling of the Latin praenomen Gaius, pronounced /ga:ius/. In early Latin, the letter C was used for both /g/ and /k/; and the names Gaius and Gnaeus were spelt Caius an
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 0x15a4583c0c56249fefca58b70755f18da8c0ef798ec436b10e1afc2942f54d63. 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/efc6cead-a20d-4ba6-9aaa-ac13a19d5dae.json and https://artists.proofprofile.net/proofs/artist/efc6cead-a20d-4ba6-9aaa-ac13a19d5dae.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 0x6ccaa0fd3d75a794138c56566e0440dd54fd8050fa8217b67569f2a56a6633d0. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/NLZ542300946.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x708494429af51ad02c32a903332100daed45f3b57cacc8cf5840c580baf5ec8e. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/NLZ542300056.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf02945d6c51dcc32cc467b1e8c7c8966050f7edf3c92e3bb9b392e9489b4e595. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/DKJ512300501.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcdeb6f890afe422c57d6819d25f53100576513320e02c1e14d58bc1260b8283f. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/DKJ512300401.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x70dddab987652fcce1b228b2ce8c594c157608dd4901a9db6f671ace6cdc0115. 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/QZTAY2220602.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8ff8ee8e3172731863e32a87600d046b9fe344d07cf98ff5e8acdec18de98b8d. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/QZPLS2217455.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xee110580afa927f9637311ec0372b453726f1ee0d20969c774302658aa55b0c8. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/QZNWV2269581.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe0f2c44021c831a493e489a621c5263d335ea16c61bdddb8738035d9a9ab7722. 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/QZK6F2224417.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7f31f0dc1b4f34f5ec361d71e37670365c2c29b915d5743f703d42241f5e0f4d. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/QZHNB2208550.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6152bd910f200fc27559aebca021a557f776982be787eb141e72c7c35012297a. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/QZHNB2208552.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x50a423234cccfba5e8b9fc7f289aaba4164f8b4635c53e0f65703e694b832935. 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/DKJ512200306.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6bef11c23d2d2d3f925ea7f8789aa4c7233bd6f13d6bd0d1e66ac5c188b8bf5d. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/QMDA62150147.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xad1fc2a7ce009b4a02ef351a3ce923fda4f8c991be6a744a26588c3d95e8ed1d. 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/NLZ542101132.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf63568b7a077575c66409f02fa0303bec283747c51ad5a6050d951ef5c153ac4. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/NLZ542100761.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb2f3e74531eeb4f6b5338ce893d9e0120a38b81ee2fd48bd6b2b62418ad73f56. 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/NLZ542002244.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4aa914a3989e54048c81e5d6fd28afe8d60d5bbf41614aee782b3fb66d711883. 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/QZHN62068295.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x942782aea783f6d49eb993de4754b69c103cae352b77da718738b0f01f97bbb3. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/QZHN51981487.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9e903285e21d6c9b89ae6bb6c7876949b778e24110fd73d77095f4abacaf71f5. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/DKJ511800101.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x73fc5ead27ae8164190a380d958c87619ebbbfdc7661efed1f116c5213f61ee4. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/QZFYY2452542.