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 0x93440e935611ab2b04f80f02bd03587bf7ba03ae5f4d14a599ba9a45b747a154. 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/32b87027-00eb-4505-bd3b-3d963441eccb.json and https://artists.proofprofile.net/proofs/artist/32b87027-00eb-4505-bd3b-3d963441eccb.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
សុំទោសដែលខ្ញុំសន្យា
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 0x80a4b112b1539d86497139188a4ce85df44dbfe56aa7fbaa3674ec0ca76ebb0a. Chain 2 (Bitcoin): anchored in block 958211 (2026-07-16T01:23:53Z), 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/TCAFZ2271948.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xac2db91d6a4634f1ea1aa1dbd64e1a7d24c93b9372c44ad1548d005521290b34. Chain 2 (Bitcoin): anchored in block 958067 (2026-07-14T21:26:15Z), 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/DGA052251866.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xac614abf82f68a184ff47437c6636885184aab20bab89c590d24525520432753. 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/DGA052251867.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf62aaa970d27470b355b78964e51718504b3bd5232623d1c7f1839abd3548f75. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), 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/DGA052251868.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0412bc132b9ba5173802836a1b0762a85f285591f56c443a119e2c0b2d5289cb. Chain 2 (Bitcoin): anchored in block 958761 (2026-07-19T17:49:48Z), 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/DGA052251869.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x04cfde447076114e674e61d6fa03e6d4a82454b012a53011a8cb998fda088318. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), 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/DGA052251870.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x56fa1c2add1ba5f8cdf8929cc7297aa298f312240193f577e3d44a24e2008487. Chain 2 (Bitcoin): anchored in block 956656 (2026-07-04T14:03:39Z), 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/DGA052251871.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb5043d16acc7dbcdcae8e0af45cd8f2c3471206019bf13a1e7c5c14c8469c4a1. 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/DGA052251872.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbbfa035bdf7c8ea2182d2e1faa70e4da92e8c653fcf887d777feb2d52ac78a68. 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/DGA052350179.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd3cb2dd291505cd4c53343ec4e164a881aa7d20f69c090a623d8084598944cd1. Chain 2 (Bitcoin): anchored in block 956402 (2026-07-17T02:11:50Z), 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/FR59R2495492.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x81559191777c9cdfe194990a6b626fb9a73abdc2701b4d93cc0367962aaa328e. 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/DGA052500106.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfb750d10383ac86e5765c926859343f7840ad3b5a2f764bc39c46cd8024551f6. Chain 2 (Bitcoin): anchored in block 958166 (2026-07-15T15:55:19Z), 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/DGA052509467.
ខួបស្នេហ៍ខួបបែក
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x70615170013eb59904b3c7e5ccf3dae26909bdb4a18c35e97e1009a0433a70c4. Chain 2 (Bitcoin): anchored in block 958286 (2026-07-16T12:43:37Z), 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/DGA052509468.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x40bb3b7536c3c2810ea3659c84b566a8f6257c316b1189e055507371dfb780a7. Chain 2 (Bitcoin): anchored in block 958300 (2026-07-16T16:14:30Z), 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/DGA052509469.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x64b5845df2f1a5147ae91fe6e48766f2c55a31a09aab48f347aaba1e930811ae. Chain 2 (Bitcoin): anchored in block 958335 (2026-07-16T22:37:47Z), 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/DGA052509470.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6185c10400fea1e8ce782a82b44f3345384e6838a0acc0e6ca48e7b8a77b733b. Chain 2 (Bitcoin): anchored in block 956576 (2026-07-04T02:06:47Z), 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/DGA052509471.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7e93c2d648254f880e94df394dc0e3a3ff134a154f33a2a72c9219a16f3aabdb. 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/DGA052509472.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf96de9706ca3049abe0bb6d6cff5b81b5154ccc0bde3a01917d0d829ae976bcb. 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/FRX452577180.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x81559191777c9cdfe194990a6b626fb9a73abdc2701b4d93cc0367962aaa328e. 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/DGA052500106.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcd5b80e80df6ced854d97679965bb7b48f259dfcdfaaeae9e5a58bc432c1bf37. Chain 2 (Bitcoin): anchored in block 958316 (2026-07-16T22:03:43Z), 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/DGA052509473.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5f43a72050073c34512b538b2bd90a8b8abcfc8d92579f18004ea2971314644c. 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/DGA052509474.