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 0xf8f2ae134592ad12ed8c1f9907fc411d38cca76b8f42d0da3fa9c9cca10f0b79. Chain 2 (Bitcoin): anchored in block 953827 (2026-06-15T19:59:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/eaba5e16-c155-4d48-9733-7b2301f64989.json and https://artists.proofprofile.net/proofs/artist/eaba5e16-c155-4d48-9733-7b2301f64989.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 0x7f3a9c1cc805bd3c88bd27a9e1a25c704dfad706a092c076e981acb4a6243b6f. 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/QZNWS2487269.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xabd7a10421ed0f12d8036919a0f15b98cc73410e202c2cc7149235cabbebd2cf. Chain 2 (Bitcoin): anchored in block 958363 (2026-07-17T04:34:46Z), 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/QZRP42429794.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3eec295e0e3c6da62d9dc8d93ec4f97e6a77333eeff38eedfee38e6ae2ebb9cb. Chain 2 (Bitcoin): anchored in block 958955 (2026-07-21T05:16:23Z), 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/QZRP52495193.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5538baf91f4b2f4679d009846d83948947f26765b0cddc58febb23c625261ea4. Chain 2 (Bitcoin): anchored in block 958563 (2026-07-18T14:29:03Z), 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/QZTAS2486437.
The Burning Screams Of Hell And The Cheerful Sounds Of Heaven - Instrumental
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x63c72bb39a16b16cca3003e846c001378d591fd510739e5bff8878beb6ff85a3. Chain 2 (Bitcoin): anchored in block 958959 (2026-07-21T03:51:22Z), 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/QZTAX2454771.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x22a2ea2e58d9f19c6d0936b1d3e7389114b8c3d5f6701b4d97d559f149071d68. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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/QZTAX2454779.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5d0903c4864a25cc0ec007de5e0feed414beaf6d93d0ba6913f2352d545d421b. Chain 2 (Bitcoin): anchored in block 958796 (2026-07-20T02:09:38Z), 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/QZWFG2484140.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2d251c8d26ab0b03030942b58b45b7bed058a6a42db57ec97695f53884d842ba. Chain 2 (Bitcoin): anchored in block 958839 (2026-07-20T07:01:59Z), 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/QZWFG2484142.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4616efc64318ea96a72aef36a7bd9284cd40adf18715cb2be4cd27fa568defc9. Chain 2 (Bitcoin): anchored in block 958607 (2026-07-18T21:01:11Z), 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/QZWFR2458243.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6318c2bc8bd161c19fdd0799b9de6c03b9b2be2597e3bc987fe157c61eb0db94. Chain 2 (Bitcoin): anchored in block 958770 (2026-07-19T21:24:51Z), 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/QZWFR2458246.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5bbd10e4f1930c075d33d95ee86cbf7c2dc1866022cc8d9eb08a6ca732cca6b3. Chain 2 (Bitcoin): anchored in block 958746 (2026-07-19T15:36:35Z), 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/QZWFM2486505.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5a72e9c3ef361031fe8a7480e944e22f8d0437f6fb68b1c1c44ee9c536cadcb5. Chain 2 (Bitcoin): anchored in block 958796 (2026-07-20T02:56:58Z), 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/QZWFM2486513.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x29fe5ca520a69fcaab7faf14ba8193c61437cbcac610d0da46094bb3b1fe9f5a. Chain 2 (Bitcoin): anchored in block 959002 (2026-07-21T13:42:50Z), 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/QT3EY2411695.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9f9e6952227a166bd30072d848e0453b9a26442869ab841645c03998a4b35773. Chain 2 (Bitcoin): anchored in block 958742 (2026-07-19T16:38:25Z), 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/QZFZ62541740.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xceda237fcb538a2eaeef78b5c4ca36702973bb868f4a824c316979cea367b465. Chain 2 (Bitcoin): anchored in block 958476 (2026-07-18T01:26:56Z), 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/QZHN92507547.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa61c8c0bddd6bb58c668ec64af22434ea6c8105a694e5e9ceca9fb8f12516fdc. Chain 2 (Bitcoin): anchored in block 958621 (2026-07-18T22:59:44Z), 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/QZHN42526555.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8072bf6bbc43716ff8c7444bb941e93b9bc8ac1f08def09cec9ba49049e92629. Chain 2 (Bitcoin): anchored in block 959088 (2026-07-22T04:28:58Z), 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/QZHN42526556.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6eba434e867b3f292a2ad48c74a54d79bb49b5319a445660d6829138ba72fbe0. Chain 2 (Bitcoin): anchored in block 958798 (2026-07-20T02:06:39Z), 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/QZHN42526557.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x09ee9ed3eb11cefb7cc9cc26549914f39094ca4b3f1b54bf8ed7f37c0c6584fb. Chain 2 (Bitcoin): anchored in block 958690 (2026-07-19T07:14:39Z), 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/QZHN42526558.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1a80671a649106cb701ef9b57dae1bb4aa72afdce731738110e172b7958b60d3. 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/QZHN42526559.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd43ee913b3c64a24109797af1f7294a067a82969937c994b237925c818411034. Chain 2 (Bitcoin): anchored in block 959100 (2026-07-22T07:57:21Z), 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/QZHN42526560.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfb6c4ca1d86e6580c14440ff246a2658e579cd35b337a29e2a360781bc5a4c12. Chain 2 (Bitcoin): anchored in block 956738 (2026-07-05T04:47:21Z), 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/QZHN42526561.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3a7a810074c25e12267d13cfe8d0f6603b9987e049d924f7b7c2f8d6c9fa0ff1. Chain 2 (Bitcoin): anchored in block 958350 (2026-07-17T02:31:22Z), 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/QZHN42526562.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc68c24882d83ed9499de06f36ebbec31a51d7b0514ad48d06c2d287e1adeca30. Chain 2 (Bitcoin): anchored in block 958357 (2026-07-17T03:33:42Z), 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/QZK6N2518898.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x435a0feadde5f6415e180f53b0432ab15af9c53e5730d7874467c726326ae121. Chain 2 (Bitcoin): anchored in block 958157 (2026-07-15T15:15:48Z), 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/QZNWW2509465.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe5b3f4d8d2168d6db3d645f9995d6e7b4a73bd80ca28794adab116d335c330ef. Chain 2 (Bitcoin): anchored in block 958194 (2026-07-15T20:32:27Z), 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/QZNWY2501557.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd21ad709ff3c4373c3952ce0f0ff27ba07b6ce14d38bc30afdbdb373c6fa9a0d. 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/QZTAS2509267.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd21ad709ff3c4373c3952ce0f0ff27ba07b6ce14d38bc30afdbdb373c6fa9a0d. 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/QZTAS2509267.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x435a0feadde5f6415e180f53b0432ab15af9c53e5730d7874467c726326ae121. Chain 2 (Bitcoin): anchored in block 959123 (2026-07-22T11:35:32Z), 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/QZNWW2509465.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x26b6359339b162821f648f3fa61a25447ae1028edc8f8c4d4dba947ce271a5e8. 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/QZNWS2580020.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x92546416635bb2032074aa9ba8cad91da4dc196bb6bc270e6d70b86e6a2b2f48. 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/QZTAS2509268.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9449bafe2cd4de9962c38a08831daa3eacc71257b43b2e17bba9770f778abfbc. 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/QZTAS2509269.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe5b3f4d8d2168d6db3d645f9995d6e7b4a73bd80ca28794adab116d335c330ef. Chain 2 (Bitcoin): anchored in block 958544 (2026-07-18T12:14:37Z), 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/QZNWY2501557.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xafdab133914e669b197a40770e4cbc6d040bf06babe27c67eac7642758f44e5c. 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/QZTAS2509270.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa26bc5fc4c7ddfbb98fce52c464f6b54f3e0fa241568c15e01846b3b81ca62e7. Chain 2 (Bitcoin): anchored in block 958491 (2026-07-18T04:29:42Z), 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/QZTAS2509271.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe1daf65c91a7c45898ac14e7b0c34e509142a91caddd00e54e07b77ab5075903. 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/QZWFQ2539528.