Sam James may refer to: Sam James (EastEnders), fictional character Sam James (rugby union) (born 1994), English rugby union player Samantha James (born 1979), American singer See also Samuel James
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x21dd5f51e17760d5a9c41cfd35cb909bf27798b35d83c0043f0f42706ce6d160. 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/51e627d9-5b49-4912-a057-d4bb5a44ea24.json and https://artists.proofprofile.net/proofs/artist/51e627d9-5b49-4912-a057-d4bb5a44ea24.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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x03bae5ac4a889352461db4a4a2da0895a4e1c6dc146abc8b47475f6ee677cc3e. 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/DEZC62358504.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x02e99792fc7b545ca66d4d1c62fca57ef71f55adc275b630e18d703f1254d908. Chain 2 (Bitcoin): anchored in block 958395 (2026-07-17T10:10:33Z), 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/DEZC62361161.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7581f7868e3b98a6dcc63c1b24c689d022bdef73cec007d23901cfa0fa23bc8e. Chain 2 (Bitcoin): anchored in block 958069 (2026-07-14T21:37:55Z), 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/DEZC62361804.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x88d38a46b0e834b4acc98c9976458adf32e49557186376f2a8046d3c9e0ea7ce. Chain 2 (Bitcoin): anchored in block 959058 (2026-07-21T21:09:36Z), 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/DEZC62377662.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa003df6128ba467c7e5793a8dfae8a3864707cd2807d40915a883ea865232427. Chain 2 (Bitcoin): anchored in block 958711 (2026-07-19T09:26:32Z), 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/DEZC62431542.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7b676dfcec87fc19aec32734421ffe6e9c2a6fbd7322d106cde989a5471c8f8b. Chain 2 (Bitcoin): anchored in block 958552 (2026-07-18T13:15:29Z), 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/DEZC62431557.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa3ca1528759c6a7c48817fd2028500d798365872dd437c29e8335b76a1e43731. Chain 2 (Bitcoin): anchored in block 958208 (2026-07-15T22:40:25Z), 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/DEZC62594959.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc539ec538eaffd497b74511d3f8e54c14c151619570c1ab0e10cea1025627496. 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/DEZC62594960.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcbedbc0a8119f541c2e1d9aa10f8974fc2f66d36382f85b4cf62646f195d862c. Chain 2 (Bitcoin): anchored in block 957782 (2026-07-13T00:52:48Z), 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/DEZC62594962.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x75160262b26594a937db5552aedd06132e53864bf1c5fde4c3d469ee3a6168b6. 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/DEZC62512674.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x14fd9e8cd84f0050d0a3184e3c5461cd8155ee81d2268207616a81332ef03815. Chain 2 (Bitcoin): anchored in block 959152 (2026-07-22T16:23:52Z), 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/NL4NL2141151.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x05656a104019c09242395966ec4e396398f944a98b7b7d40f180d53af3484449. Chain 2 (Bitcoin): anchored in block 960284 (2026-07-30T17:23:26Z), 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/NL4NL2141150.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbf1942b8eb14df97444842dd2bfdb0930cc43d819bf7f8d23b462e9ef4027a1c. Chain 2 (Bitcoin): anchored in block 960220 (2026-07-30T07:28:30Z), 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/NL4NL2141152.