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 0x48bac4043c9742454978ac580683954467347809955ebc8f0ebfb78082f01869. 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/f1f792cc-3941-4dbb-b681-4ebedb2a871a.json and https://artists.proofprofile.net/proofs/artist/f1f792cc-3941-4dbb-b681-4ebedb2a871a.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 0xc7d9320e72c23d9d06fd80f8f1ecae3affa319fa23511d31f6759ee129af70b0. Chain 2 (Bitcoin): anchored in block 958834 (2026-07-20T05:55:47Z), 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/INM431400370.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xedc893fc5d7fad1f5ac2dfe9bf0439419e34a01bf74b475cf3d869fe06168821. Chain 2 (Bitcoin): anchored in block 958388 (2026-07-17T09:14:21Z), 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/INM431500043.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x55e9b849b6ca8948ad45f065581d9e3872733ddf30620fac99f5ce54265ee3af. Chain 2 (Bitcoin): anchored in block 958329 (2026-07-16T21:48:38Z), 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/INM431500048.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8c7c759add9dbcd8cd87a3444ce9173849f4210418501e1cc32f9d5f6b6c840a. 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/INS181501232.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8cf2ccf100baac1b01e7a08992477db2e5b2b3678feeacf1a81d85d1645aedea. 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/INS921600621.
Laari (From "Vekh Baraatan Challiyan" Soundtrack)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x482a5a529b0399cb1bd9fd4836fad82fbd924ce752d1eaadb1a70e249b5beb02. Chain 2 (Bitcoin): anchored in block 956776 (2026-07-05T10:59:37Z), 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/UKC5K1701201.
Tu Te Main (From "Golak Bugni Bank Te Batua" Soundtrack)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa091b21608fd2653ce521a4e7c126f7b44cefe3065e2649847516d70e1f1cc8e. Chain 2 (Bitcoin): anchored in block 958631 (2026-07-19T00:50:09Z), 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/UKC5K1801801.
Chunni Cho Asmaan (From "Bhajjo Veero Ve" Soundtrack)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x77c0a4323de540d5afde9320df765d14edac52d0836def82676d0c3b6eafe077. 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/UKC5K1801904.
Jithe Malak Rakhda (From “Chal Mera Putt”)
Saffran Te (from the Movie 'Aaja Mexico Challiye')
Bhali Kare Kartar (from the Movie 'Aaja Mexico Challiye')
Marhi Khwabaan Di (from the Movie 'Aaja Mexico Challiye')
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x18b9c476167ade7d06badb311471b52c7b193ca51b3ce822d2c5b886371bf06a. 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/USA2P2210625.
Aakhu Kon Khuda (from the Movie 'Aaja Mexico Challiye')
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x05318269808e069d749ef272ee1a70d8ac67075c539b9aa258f45c63d7303d74. 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/USA2P2211025.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xce1e021c50d24d995354fb1cb350ea94bcea7db9897d3a83c7b655243139cf1d. Chain 2 (Bitcoin): anchored in block 958185 (2026-07-15T18:19:04Z), 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/INW262200049.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4ba985d39f30a7a0da6f1c9dbfce016e8c506f7a57fc467875d9ae295136f340. Chain 2 (Bitcoin): anchored in block 958721 (2026-07-19T11:02:33Z), 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/INE182222909.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1a59f983ca402b45a1af8dbd19ebb0fc8f3b57492fc9158914b84c3f804381d4. Chain 2 (Bitcoin): anchored in block 957830 (2026-07-13T09:15:55Z), 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/INB942300088.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x91e9698e2dca0b14cad4399dee947fa9f733d91b8e1f261ecd299e795092fc83. Chain 2 (Bitcoin): anchored in block 958942 (2026-07-21T00:24:07Z), 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/INK322300021.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9b5f556e47545496b56b8330c86f8d52ce146165e6c6bb41d4c48fb59ba480e7. Chain 2 (Bitcoin): anchored in block 958838 (2026-07-20T07:01:21Z), 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/INB942362274.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x82081d5318c1ead6907c0faacded1ccd28a190525b7aa6e982deba32ccfb4243. 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/INB942401056.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc3a7d5d778c67f499363f5c70325a9a8ddc3e81cc20964c0e64ef635132d4036. 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/ING982400025.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2cb13b4fe60d209673befa7fcf97f294d15f8f77b3164da99217880fbc12936e. 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/ING982400026.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcd2d5d185a025fc415af94f96fbce36d3bba8e14c84fe96540a894479d89b0f2. Chain 2 (Bitcoin): anchored in block 956420 (2026-07-03T00:42:11Z), 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/INB942401446.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa05ca4c1010a422fd3415285559c6eee532067bd6be8303c9115e664b2b93f14. 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/INB942401625.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x56c834a833df36c010bab4d8a2cac5be32dce181e371db5d38e54540539d7ed1. 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/INT102500890.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5f7e5a4f0e75eb10ce3f67b51af77d68de86484ca3d40ba17cd6f8f5c3a5227a. 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/TCAJO2596099.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x556e0480d8f5b352354052c4c29bd087349239d0aeef38f3fa8aa33c48831ec3. 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/INR5T2400018.
Udd Jawana (From "Soohe Ve Cheere Waleya")
Jogindro (From "Soohe Ve Cheere Waleya")
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb3c9199c487b6c90bef61a8644452b940478eee402066714ddbf90f08a6a0bcc. 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/INW422500182.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xee0c06ea9a6115fe56f2b4664abf58011ed409970da9cd71a850e162c85d8bd2. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), 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/INO132102000.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xee0c06ea9a6115fe56f2b4664abf58011ed409970da9cd71a850e162c85d8bd2. Chain 2 (Bitcoin): anchored in block 960427 (2026-07-31T15:59:18Z), 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/INO132102000.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa0022be1641043c5e32a202150bfed312e203390a0a9481158212fba5dfd0513. 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/CBEGD2400005.