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 0x91bf0b0634fe22a5c077b2acca71e9cd76eee1c9c61e2231d0c27591716d8101. 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/96f397f1-b758-4e85-b658-ed201ab13a28.json and https://artists.proofprofile.net/proofs/artist/96f397f1-b758-4e85-b658-ed201ab13a28.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 0xc83c721f9173666038e96280cc402e052962e962b76d826c8ee6d00c5e18646d. Chain 2 (Bitcoin): anchored in block 958091 (2026-07-15T03:17:03Z), 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/MXUM71002538.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc9f153961d7fd5da0b3ab84ee555fe1c29fb8cdb4b6bf934ac82499908cf4201. 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/MXUM71002542.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6d99da24ef0af1cf688c01d9ac7705c50293313717b09b36b1bf191ac264203b. Chain 2 (Bitcoin): anchored in block 958931 (2026-07-20T21:15:01Z), 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/MXUM71001275.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6deef16d9337657f0f4bd0e45177acaa179f6d6de2bfbe7032612aee853b7a13. Chain 2 (Bitcoin): anchored in block 958316 (2026-07-16T21:41:02Z), 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/MXUM71001292.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcdcae7bb06b961380343e9df665316768890d1d5e3a68df0ec39d7e6eaaa4704. Chain 2 (Bitcoin): anchored in block 957766 (2026-07-12T22:25:04Z), 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/MXUM71001999.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6382fa37b5110e3a20f84a12a0fcb582d11a0bb6951ec653879d59084639970b. Chain 2 (Bitcoin): anchored in block 956745 (2026-07-05T05:33:35Z), 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/MXUM71002261.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x54f743e85d60d2bd568c93af5b7f043dee43414641251d2eb9dc4008b978aba4. 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/USDXS2011405.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2e2b5c406a01b122e91e83b27e6871b6f93d407852e2aaca65d71788adf43456. Chain 2 (Bitcoin): anchored in block 956790 (2026-07-05T12:31:54Z), 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/USDXS2011406.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x56e5028fc24d3a9076b24472610d87540157737b27a1bfbeca657cef08d26481. 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/USDXS2011409.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe3d1eaccdb1310ff6cedff436ffa0c9d7d719c3b950dc801c821d8f539828757. 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/MXUM71001214.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8074cdc103809569c4ab50ed85e310120c11bc322befce4239107b33e730b34f. Chain 2 (Bitcoin): anchored in block 958736 (2026-07-19T15:45:51Z), 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/MXUM71001215.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdb13dc8e1140cb1bb613105ec65697593ada3e29bc004f36a4c3e63a1e34d13c. 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/MXUM70803044.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xabe9e808ed1f7e36b8ac58d98bc5a3ae9a8c8d0a17e0b8f42561935a07b74665. 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/MXUM71001225.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x218bdbe3c4c92e69bdff84f6bdaa9fac32144cf60dc036e09d03d33ddd4b1e6f. Chain 2 (Bitcoin): anchored in block 958842 (2026-07-20T10:26:03Z), 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/MXUM71001222.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6df4be769556efcac87e2a803b3c572bffed8e329ab5062a187f2ea29655e86f. 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/MXUM71001212.
Loco Tu Forma De Ser - Version Alternativa
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf74ac0bd0f4a7fb64ec18ddbedd49611346f01ae0aa0f0e72c3ed0b124ff7c66. Chain 2 (Bitcoin): anchored in block 958647 (2026-07-19T02:36:14Z), 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/MXUM71003435.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x60abcb5e5187ad67dc159b7728ccdab5945f5711eb08ac81f5465fca0431e772. Chain 2 (Bitcoin): anchored in block 956857 (2026-07-06T01:26:17Z), 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/MXUM70803035.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x023a23c62eccfe5d44034d7161e3b597f919524297d91bd9e5a9f81520b1503b. 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/MXUM70803036.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e0a50a88c89a5595ae2ad38021be06f1b273def1d21f9f23d5b7400333641eb. 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/MXUM70803040.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x60abcb5e5187ad67dc159b7728ccdab5945f5711eb08ac81f5465fca0431e772. 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/MXUM70803035.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc2a4116ce7af8884b10845da31ba6c6d38fe709a3fca496b84855bd04aacf13d. 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/NLRD52019671.
Ayer, Hoy Y Siempre Con… Alberto Y Roberto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x60abcb5e5187ad67dc159b7728ccdab5945f5711eb08ac81f5465fca0431e772. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/MXUM70803035.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x67e678835ca4145a4f6f56204608a198480d50ed6fb663a26bb1cdc4635741ff. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/USFI29602656.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa2eed44b2fbb644a80a0c6f3de8b9ba2e25f5211a94fa9b6dbc4114eaf8d5a4b. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/MXUM70803041.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x40aea5b5bca49708ff5e3c418f00100d3f760e036923096f0a402e8304703c7f. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/USFI29602657.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5111ebe5b7367baccc84205db5ae98b416e7e824c47ae08d07aef1c369925271. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/MXUM71001993.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x813777ef7f087662732c0b8cd40d803ff4164f191b4266ea18827b4c0ed26c7a. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/USFI29602652.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x023a23c62eccfe5d44034d7161e3b597f919524297d91bd9e5a9f81520b1503b. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/MXUM70803036.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x36808f3fa30c8b91db2b1078115b92f824f2d957a9626d9a74c10daec853f4e6. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/USFI29602659.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e0a50a88c89a5595ae2ad38021be06f1b273def1d21f9f23d5b7400333641eb. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/MXUM70803040.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x21964ea55c36c5ba7f29f4e0d931b6fadfdd09d864814f533e03f69746c9f469. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/USFI29602651.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5718fd4dc4d57b4d7fd4d97fcf2fff871f6d828a06a4954c3570eb4bd4e3117a. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/USFI20806140.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x793d1b6c49ca2d29e44c73f2c085d67561221794f0f4575749e53899d074d070. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/USFI29504489.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8fa41cb3f1e2e0655997a88e34871f684398fbff2aa50893983234cbd4e2d11c. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/USFI29602655.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x34c20239c10cd72abb0c6ccb292579ba1d30874040f86b7fabcee5aba221a163. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/USFI29602660.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2b06b4c27fa6523016f7452d12c6ae6b4ee24025f1bd2e1dbb96ed29ee358961. Chain 2 (Bitcoin): anchored in block 958116 (2026-07-15T10:09:30Z), 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/MXUM72501482.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3d48cefe365ce8a698d4e1d6f0f4eb12cf8d0e8c9895e0d5e53d20132c123bed. 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/QMSAV1105283.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x023a23c62eccfe5d44034d7161e3b597f919524297d91bd9e5a9f81520b1503b. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/MXUM70803036.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc4200300e94aea9462e6bf30b0fff272c9c25cbb44c0c0d600afd19b063b5627. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/MXUM71003434.