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 0xfdde1939df28f7e38ad559dbb0bad750e1b784888ee33667a48a957f83e44dfc. 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/0af795a2-95dc-4bb1-b003-423928dfa440.json and https://artists.proofprofile.net/proofs/artist/0af795a2-95dc-4bb1-b003-423928dfa440.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Future (Dub Architect Mix) [feat. Giant Panda Guerilla Dub Squad]
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 0x6761ae0c8e758bed9440f65326f3337b00431a5a0db624115755194fc34be2d0. 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/USHM81396653.
Turn to Fate (Dub Architect Mix) [feat. Tatanka & Sensamotion]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xebde1dacb47e43d9601c52918b2f14071e151b58dbcc14dec7b76fab119714db. 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/USHM81396655.
Zombies (Dub Architect Mix) [feat. Through the Roots]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2b8e6b192d5f5e8eb90219356ed1c4840cf15d054a5f10502672e922c5b7f696. 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/USHM81396658.
Tribal Root Seed Dub Drop (Dub Architect Mix) [feat. Alific]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9d7401a13410a45af01e1e818d4969641a7a0d5702150f3b63142e1de08572ee. Chain 2 (Bitcoin): anchored in block 960441 (2026-07-31T17:29:52Z), 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/USHM81396661.
White Boy Reggae (Dub Architect Mix) [feat. Bumpin Uglies]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9344f5e99d698a78991305ee65d15e2b6fefdf559b6c7aed5f81cd6c52c22a6c. Chain 2 (Bitcoin): anchored in block 960381 (2026-07-31T09:50:11Z), 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/USHM81396663.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe8008d6ad9dc5fb97a59f57082e6f0a304c6e545b3371ba30346995a64a3dd3f. 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/TCABL1360183.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaeda1721474121be53cb711a68f7472cd209b7b0367df22ac42c72ad12e193ad. 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/TCABL1360184.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x05139cde4bc9319e5efdab3aa042d6b4e1e809f8060990253f2a3477dc8f214b. Chain 2 (Bitcoin): anchored in block 960288 (2026-07-30T17:41:38Z), 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/TCABL1360192.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x264ae15a8632cb4dc0f1372d9661a65750ddcfbab9e2a3bedae7f2fb1b3a8429. Chain 2 (Bitcoin): anchored in block 960509 (2026-08-01T04:30:37Z), 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/TCABL1360193.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4fb3532ef4c3ce10dbbcc2e8f1d1ed1f228e9ff121d1795b7d04aba62a4d3af2. Chain 2 (Bitcoin): anchored in block 960300 (2026-07-30T19:42:40Z), 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/JMA271804702.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5e607bed4cb0c1eabb8f42cc8009632ac0f3561505a6bd38bb3649fb18899112. 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/TCACA1432127.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2e956d7ed4cfe573b7bf5c66adcddafbb4892b6086d7e6919c50a868786a9e15. 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/TCACA1432153.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2e16bf977f3c64e4f44e05187e60762742b5ec9c0d945640dd95108f19c22c69. 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/TCACD1583679.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe8170e24e86bab4e7aec77447025495a3461115df1c927781ae13869abb6645b. 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/TCACD1583681.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x68ab8f1d84c1d947a594bb89299aaa8c85e24c2a726ba5ef31422869d6a2091d. 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/TCACD1583683.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1cd58a1fbbe7ff8d231c4b47eb54f62ccbf14fb99e147c5e24117d9afe3f101e. 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/TCACD1583722.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x743f2a45e15bbdeac4fce063b46031c54c3db0f947c3053abf69f895534405db. 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/TCACD1583705.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3fc6d4afb57741e8e7198843d8cde9c09927b58cc71e4d329b4abf77e7dc3c3e. 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/TCACD1583706.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeb0c05c5a8f07d9c8ae4e46706758a9b10a7d63a6b32b253e534eb444508fe49. Chain 2 (Bitcoin): anchored in block 960207 (2026-07-30T04:47:22Z), 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/TCACD1583708.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdea2ab87f08c51d7108b1980b92f471fa60d8fd48f388b9169f981729340fc67. 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/TCACD1583709.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xee5824d88a17cd73b5f45f682fc69248bd8bb056f171ce8430c96e654c4c5a09. Chain 2 (Bitcoin): anchored in block 960117 (2026-07-29T14:28:24Z), 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/TCACD1583710.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5045eb95ae26e47de10dbb1021ae9e3f8e3190a6ace40c239aea987cca041053. Chain 2 (Bitcoin): anchored in block 960191 (2026-07-30T01:51:26Z), 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/TCACD1583711.
Sensamotion (Live at Sugarshack Sessions)
Beautiful Day - Live at Sugarshack Sessions
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x97c6cacad925b3170e0cbc487e225f80ebe8c05469aab905e3105f8ec53579ff. 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/QZWV32446000.
All That I Want Of - Live at Sugarshack Sessions
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfdb5957d4f5326f107815624a13c65c275210f754b11bb7090c33195939f7740. 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/QZWV32446006.
Lifted Spirits - Live at Sugarshack Sessions
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xee83f8ce2255c9b1e51e201dfa0dc2d8b539fca2827c79918beb1ee2248abe10. 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/QZWV32446008.
See The Good - Live at Sugarshack Sessions
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x063d1164e2bdd463c6167f2442159592d9cd1f734aa1c3ff33a6eefae0905145. 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/QZWV32446009.
Truth and Discovery - Live at Sugarshack Sessions
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6a4ff293e0baf0ce727d35f53ffbeefda41e212b5bb286d489d1ab96bbe143ad. 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/QZWV32446013.
Take It Easy - Live at Sugarshack Sessions
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x660470c577547c87623d5775880bdc469b8d7247751e0c3b3e76d218917fde88. 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/QZWV32446014.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x89a1f5b5c0c7ddbf0da16599defd5f993bec602647da3867be4e7a3ca8a93ac5. 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/QZWV32446015.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6045e8b5054a7f857f12fdfbc7f524987b6c7b8e0fad79289f5760ba49431022. 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/GBWUL2547574.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x61efeea9806a7dea6ce577d35013fa9a947b9a7419884f1883b08fac41dd5258. 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/QZ5FN2572383.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x36a28936a08a676b0e67fc1b1a07682442f62fd983f27c80a985ab938d5e9e13. 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/GBRKQ2322027.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeeb92e57fcc734123f05a639f759c048f5d437036f9d09c10fb1637726b242f3. 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/TCAFX2190051.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf263a0ec111d08ca4855087ff7aca5f35c8bade202e72761311084352aa9cd05. Chain 2 (Bitcoin): anchored in block 960497 (2026-08-01T02:22:04Z), 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/TCAFW2141013.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2fec09e7fd03fd0067945e0bf2601cec8647775adb39773c18cb53fc62fc6332. Chain 2 (Bitcoin): anchored in block 960513 (2026-08-01T04:52:22Z), 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/TCAFU2105171.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2fec09e7fd03fd0067945e0bf2601cec8647775adb39773c18cb53fc62fc6332. Chain 2 (Bitcoin): anchored in block 960160 (2026-07-29T22:48:59Z), 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/TCAFU2105171.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1d3a22586130e6933449c4aa9a43398cedda9afef25c3eccffdfb5f89d73aeca. 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/TCAEX2077673.