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 0xb65b1a91b7b683aec0156d15d44a713e086d8ac0383564f7e7bb1180a9d1fc2d. 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/b3318869-592a-43eb-be23-caf55ba5eeea.json and https://artists.proofprofile.net/proofs/artist/b3318869-592a-43eb-be23-caf55ba5eeea.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 0x1ae2e686adf80ecd9422082faf83a654182156322834ebfc3e986c1ecbe324cf. Chain 2 (Bitcoin): anchored in block 960418 (2026-07-31T15:20:15Z), 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/QZES52243326.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5cf51074ecf5459fa66011dfd9ae75d2f1b9e6129e3032af6024f9acb3486e85. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/QZES52243328.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3cd23ca9b0331ef3a40ab7355cbaffa839781105d39a46db9bba4a81fcb4ff25. Chain 2 (Bitcoin): anchored in block 960264 (2026-07-30T14:36:16Z), 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/QZES52243329.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3aa8e053ce3e50ce82f52f99b970ca453c55077b5682b18b7aa4b4d68fb8f4a7. Chain 2 (Bitcoin): anchored in block 960163 (2026-07-29T23:20:38Z), 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/QZES52239731.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4f154cf9638702a15bf9e28cb439a788eec055b0420c8f7d4bfdd727be0406cb. 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/QZES52239732.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe58b554a9cd14719b09930b25cf797fc6670080603e80418e72e101326f10c41. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/QZES52239733.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdb3d81d658de6c5d7c013be0728d1a04db45bbf773b65614a64ec3c382f1efe3. Chain 2 (Bitcoin): anchored in block 960294 (2026-07-30T18:46:00Z), 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/QZES52239734.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x431979727da5b55ec1383b2f9407bf50d5e892778078a34320761999335ac6b1. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/QZES52239735.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe34825209ef7c0b43ccf2346ffb9d768bd05b96845594fbb1846bbf5618c9fea. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/QZES52239736.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xff292cfda9b3c3bbee0d28dccc48f41a95107f0794d92e1921ad4e9a4a1206da. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/QZES52239738.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7945b933d1d2b52590a8974d20142de7b41094cc38da19478b0044d2b84c14ab. 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/QZES52239739.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x21fd84d19fba1d12857fb0a0ea50d5777f8ebde467da0d4a600ed8f4e1442d79. Chain 2 (Bitcoin): anchored in block 960108 (2026-07-29T13:09:35Z), 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/QZES52239740.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8108d8214d534602b0c10c5b97d4c9049a90a6099d950bb67409e07b2812790d. Chain 2 (Bitcoin): anchored in block 960259 (2026-07-30T12:51:24Z), 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/QZES52239741.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5723e74c78dcfac23abfb653091c26291e5c3659d4b8182e751db8c0ab7297e3. 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/QZES52239743.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x049d40a31f47d951a106986922b62cbb0629d4007ea6dba0c57c5bbde98358c8. Chain 2 (Bitcoin): anchored in block 960231 (2026-07-30T08:33:28Z), 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/QZES52239744.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xde31bec6330a46875a4c18542b112b5adce9ffce61607974ad9260371f26b6dc. Chain 2 (Bitcoin): anchored in block 960473 (2026-07-31T22:27:44Z), 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/QZES52239746.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe8911f3f1bdd6b343798a164df7b5bb74f6ede1ddc76c7fb59498876e4487b59. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/QZES52239749.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x389ba750a9b49c2f253433f5d016d7335a56cba3beddabc92a63211e387e44c4. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/QZES52239750.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6face94e0651b0fc883d9432a68d8ff5601c18d3c60dc1441d8e957a56b6beb5. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/QZDA82277780.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf66f10529d3b970defc4c08ab6246267565f7f490210bf3ae6a5def33f8f596b. Chain 2 (Bitcoin): anchored in block 960327 (2026-07-31T00:26:26Z), 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/QZDA82277781.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe3282235cfc049ffc7747efc0f9ef9ebe5a9094e580585d8abaf268c49ef1b92. 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/QZDA82277783.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4c3f6a6578aebea7b4845364fddd910223d099600be4b37d1cba55a1815a94c4. Chain 2 (Bitcoin): anchored in block 960144 (2026-07-29T21:09:47Z), 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/QZDA82277786.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x01880f687756547259c642e92b6c8bc39d8a083b41895363fc272ebfce879200. 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/QZDA82239383.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd361cc2c469fd1a7d9b75b026a9631f137c21640246b11c5be48fb3f935d233a. 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/QZDA82239387.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfffa13e044e1334a7eaba23168677472eae8d4e4482cefa37acb42801b1abc3e. Chain 2 (Bitcoin): anchored in block 960376 (2026-07-31T09:09:19Z), 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/QZDA82239390.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbde48e8ba1758aa013bc7de5dd718697ba3140770e94fab73b0f562da6550e72. Chain 2 (Bitcoin): anchored in block 960397 (2026-07-31T12:24:41Z), 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/QZDA82206342.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x95683310608dfdcab8218d461b3399d678df5e557a058b67743ce8992b462e1a. 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/QZDA82206345.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa4a88f38a2355fd77ac4f0bf113c9d2c049f0b3ee26670fe063c118050f0e906. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/QZWFM2435862.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa8e689ff54b31247b326b14afdb106b25f105b8db4617109610b1169c22beb2b. Chain 2 (Bitcoin): anchored in block 960327 (2026-07-31T00:26:26Z), 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/QZWFE2410126.
Pachanga vs Candanga - SandunGuarak Remix
What Is House (Kaar Wonkaa SandunGuarak 2024)
Welcome to the Jungle vs Bora - SandunGuarak
Seremos Mejor Que Esto 2.0 - Version 2024
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbc96552878e07e666c0e2fc6f370205bdf1b7d1689449a2005ffdf34cb9c2c5f. 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/QZTB32486117.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8c517229b321a6aa6794cab647b522a58f05ff745b36ffa1060c1c2d136733e0. Chain 2 (Bitcoin): anchored in block 960368 (2026-07-31T08:26:41Z), 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/QZTAZ2490278.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb8f2e2b80822d3ca82e805999d9ad336cebb1013f2f16ae7cc64b14f21bb9e11. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/QZTAZ2490279.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc44de76a1aa7c61ae3b3aff469130bef29d128aab09d4065bd9a2646541a6dce. 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/QZTAZ2490282.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6896db69e7cd3c878398006e71f887e6e5fef0e377d1499b88f078671e51b3ac. Chain 2 (Bitcoin): anchored in block 960403 (2026-07-31T13:04:34Z), 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/QZTAW2484028.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfa088baea671ef170f3105700fa4679ace7f3fabe92693f96798262744a0135c. 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/QZRP52475463.