Vanilla Sky is a 2001 American science fiction psychological thriller film starring Tom Cruise as a magazine publisher who begins to question reality after being disfigured in a car crash. Written and
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 0x544d40d61be812dcc1a68b42d37304d56b1389196e2c36bd28361cc1bb79ece2. 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/93a2ca4a-e642-4b3e-963b-7d01ed87e3b4.json and https://artists.proofprofile.net/proofs/artist/93a2ca4a-e642-4b3e-963b-7d01ed87e3b4.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 0x482e1e3948af9c749b08b2659b91337dc7ce88c5305db78b7ed33e81cdea043f. 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/GX8LD2276492.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x809295c5e09b5c09a9a95bd100f1e9d125b13fc19e9539bdf80873b15ccb77a6. Chain 2 (Bitcoin): anchored in block 958491 (2026-07-18T04:29:42Z), 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/GX8LD2251582.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5eb2700f012ce773043ab96626d055cce960555d9c8f9f6001cfcf9b78eefec8. 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/GX8LD2255790.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4f70753110e138fccb9f726baddfa5222f1021ed6c512287251c0d6fd57cafba. Chain 2 (Bitcoin): anchored in block 957751 (2026-07-12T20:41:42Z), 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/GX8LD2291193.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf3c1a6408cca4dee6b6a265dba4898e14b497ef6c815f39da9d100032214ecec. 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/GX8LD2255304.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x32020ff49d2df8e37460ec8708ef916de411a8087190b29320a6c19a1fbfab3f. Chain 2 (Bitcoin): anchored in block 956476 (2026-07-03T09:04:44Z), 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/GX8LD2285160.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x81fd7efe2410cc31f126318986f056be59eceea256c362b23180589afa7f2356. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/GX3HH2399824.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x718572a58636aee7ab004e262cf04ebbd31ce10a3bd56e5e21937b00f3f0680e. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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/GX3HH2398878.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xde445059c5411dac64cf4d171f8009c58bf732b37e6c61a03e8e398f879b6dda. Chain 2 (Bitcoin): anchored in block 958491 (2026-07-18T04:29:42Z), 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/GX3HH2379203.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc055f5795ef939c1ecde702bb23c6fc9a9fb2e77d5594a256315afa65964864f. Chain 2 (Bitcoin): anchored in block 958349 (2026-07-17T04:45:34Z), 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/GX3HH2309823.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x48d0fdd6690e3195028a453c10d5b96cf990b0d91b7007f9e48849f78750af10. Chain 2 (Bitcoin): anchored in block 956551 (2026-07-03T21:18:05Z), 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/GBKQU2408705.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe2dd75efcfe8f3a7e9ac8facbb376e11461974fc78c492b6694c98b7fa40d4c1. 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/GBKQU2408712.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x236eeafc309718d8c589711adc6980d5347a13853b3314cf59359c6d15fc67d6. Chain 2 (Bitcoin): anchored in block 958316 (2026-07-16T19:42:29Z), 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/GBKQU2408729.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf6fa8cba82aa5bd643570a1ac5ebf914a7b9fd6704c1e4bacde5472ffd86e3d5. Chain 2 (Bitcoin): anchored in block 958342 (2026-07-17T03:15:37Z), 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/GBKQU2408756.