Carston is a given name and a surname. Notable people with the name include: Robert Carston Arneson (1930–1992), American sculptor and professor of ceramics Cecil Carston (1927–2014), New Zealand cri
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 0xcfa1ad4ee3b46a39142967e05152873e5259cdd22a21580a2e2965c2f6303bde. 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/40125563-792a-4768-b548-b90c94b57a82.json and https://artists.proofprofile.net/proofs/artist/40125563-792a-4768-b548-b90c94b57a82.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 0x426fb0b9ae8796dc8f4d85eea8c923c35d7994c4c17199f5af914beecf80b799. 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/DGA0M2377831.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfb09e76690e939a7905080e641996d445fc9241cb3ddacb880a1655ee47003e3. 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/BE8LH2300265.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4753a34cfc5f4bb908734b8a67348b8d95278abc120cd60adb1c5bfd0342fbae. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/NLYK92300143.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2ef2384b69d002e790f4c84b90a6b57250dc3725e35030cf12b6099f200f84eb. 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/NLT2H2300751.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe2da5f841bd9b80ea0c5b4d41d64dae0d4862a3fba858f44598cc79932a393ef. 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/NLT2H2300632.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc3270426fd675c3d9e0a759bd3772a93804d2acd6b5eefb6273972e68ec8d5ca. 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/NLB772300002.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6895872691d7f7d743a640f8692f189f7f4a443265ecbac33e266d9361e0c600. 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/NLT2H2300321.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe56dcc06817574c8181f98d03dd91ad9a7ee069b23021d7dbf2ecb0f232746e9. 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/BE8LH2200090.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf96e3d2a90cc6419d04169c1c9d668bc1dca01ba1a6eff934cebe710f2fa19b2. 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/NLT2H2100955.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6c036014f1f75f624c41eafa2f8e8b8981416c76a1f375cdec04db097181ff5e. 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/NLT2H2100593.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x93c90cf75cb43ba0547ca9410ba1cc9b88544b345cdd834efe5144101ecec8f1. 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/NLT2H2401093.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe56dcc06817574c8181f98d03dd91ad9a7ee069b23021d7dbf2ecb0f232746e9. 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/BE8LH2200090.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe56dcc06817574c8181f98d03dd91ad9a7ee069b23021d7dbf2ecb0f232746e9. 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/BE8LH2200090.
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