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 0xc3c94c4c27534a452d4ec96eee20cbc5bff75b8d931069ec5d41439f97f722ad. 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/dc73890b-f3e7-4c6a-9e1a-7559fc01ccee.json and https://artists.proofprofile.net/proofs/artist/dc73890b-f3e7-4c6a-9e1a-7559fc01ccee.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 0x4afe9ce43c51d72027704b59dacc7efcc4e2e111e55fe81a3965389df92ef5d8. Chain 2 (Bitcoin): anchored in block 957583 (2026-07-11T15:53:17Z), 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/SEYOK1511218.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x342fd265eb6346a556cf655c674eb4030644cfc5f5da95e23ff94899a024d868. Chain 2 (Bitcoin): anchored in block 958670 (2026-07-19T05:26:23Z), 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/SEYOK1511221.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4dac29ce536e842e0ab42255424f0da173b05b61854aa61ac8b28bf13e1d199e. Chain 2 (Bitcoin): anchored in block 958761 (2026-07-19T17:49:48Z), 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/SEYOK1511223.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x214e4ae7fed8f185412186ae17d2da3f0c74df885c53a163bc48ca1720b30485. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), 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/SEYOK1511224.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4d982e94124d2ddd0dd0843e12966c0feec1905f3b7cb1030ac276ff01f191cc. Chain 2 (Bitcoin): anchored in block 958673 (2026-07-19T05:38:28Z), 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/SEYOK1619972.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcc8e20bbcd63be9bc46b05a5b3de2606374da08ea9b38ef2c792bfb3f6b40ae5. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), 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/SEYOK1619974.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb446a62624e0e118f13571e4283a117afd7120434ceecd84d76b05ba33346905. 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/SEYOK1706246.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x22f0534172a4db265b24474236019d1944c03617fd9127133b0b06cce4ec655a. Chain 2 (Bitcoin): anchored in block 958242 (2026-07-16T05:02:52Z), 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/SEYOK1808822.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8feead937d05095806cf64020a77186279d7f7b4773edcc04cf06869138a396b. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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/SEYOK1808826.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe0261c3c2f9602aac86b7b977e902fe4c0c9e9dc639403493c600dd687a7815d. Chain 2 (Bitcoin): anchored in block 959058 (2026-07-21T21:09:36Z), 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/SEYOK1808827.
A Beautiful Mind - Behringer Deepmind 12
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5796d6a52628da5bf99d08941ec0a95560d4f6fc41ea35d1eac556cb4b8a5ec6. 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/SEYOK1808830.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0ab28537fef06807f6fef7d42950668eb138584aa3597e464b15a654fae135ce. 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/SEYOK1928763.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x75729cf281b0e7ed9fad8f48b8aca2bdbc58e74971ed9f9051766662c5372f53. Chain 2 (Bitcoin): anchored in block 958842 (2026-07-20T07:48:27Z), 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/SEYOK2038137.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x88601cb339da364eb0c29650385db3e8fe341b86d5994166620fa68f0eb56d35. 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/SEYOK2038138.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x768b89c91fa011edb0b21ac8890c93d63679ce7e4680757e72a40c6c1362b980. Chain 2 (Bitcoin): anchored in block 958473 (2026-07-18T00:52:36Z), 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/SEYOK2038139.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe4b2308d84c839c8837eb7ba82e052b5f1c570168461ff4877eb8ca5d25e092b. Chain 2 (Bitcoin): anchored in block 956728 (2026-07-05T01:43:49Z), 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/SEYOK2038140.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5a90e5c008442a83dde444a2302e005179d732294df7062299b3864d734c0012. Chain 2 (Bitcoin): anchored in block 958670 (2026-07-19T05:26:23Z), 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/SEYOK2324558.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x329a151ee81e5c144a67f4a364a25cb2c2937d02b287efff22c043f281e9bbe2. Chain 2 (Bitcoin): anchored in block 958058 (2026-07-14T20:20:34Z), 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/SEYOK2324555.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe84595940e70673eb3a6fe5af800028580c7868f894643e6d87f9651a4fafe34. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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/SEYOK2324554.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xff2c4baffbe441c28cfb08b6e14ca24b53b1b02dc8f7eadda9e32b678a0164c8. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), 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/SEYOK2324553.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3484723588f3b1116215cdf6d67b2662d6490bdbe7a801581169cc384f3e98ed. 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/SEYOK2324552.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5c5b3f841f0ce3bd16e88565be4bcb87f5082df3b14f45fa055d48ad551c488a. 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/SEYOK2324551.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb55e999a336fd21ac9fc2087276b4d6a828fc5ddc77cd52d4e16c28d54d70ce0. Chain 2 (Bitcoin): anchored in block 958667 (2026-07-19T05:04:54Z), 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/SEYOK2324550.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9ebe6bfd30cce7c41c91abe74fdf6c408f37fe7f68ffdc503b14c7c5578c15d1. Chain 2 (Bitcoin): anchored in block 957759 (2026-07-12T21:46:51Z), 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/SEYOK2506906.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7ff77066852b7ed373a62e7c51685fedd63aa48cf085ddf4705e5c9b232dbe98. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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/SEYOK2506907.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xed5439c37b79164220d041540310aceeca597fbcc98770f3ee3510560fb439e0. Chain 2 (Bitcoin): anchored in block 958276 (2026-07-16T10:20:17Z), 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/SEYOK2506908.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb4f3fda3b6cbde0187aa39683142757f81c356bf9f3463a4f213c02880d3009e. 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/SEYOK2506910.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf16dda590886005391600dc48e0ac43d2aaa56a84dd558ff0578bb3979482f6e. Chain 2 (Bitcoin): anchored in block 956578 (2026-07-04T02:23:20Z), 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/SEYOK2506911.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e1dd702b3199a522bd3f23be75d7cffc1bc7d5bdc635793b3320f28e98b8bac. 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/SEYOK2506914.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9ebe23e38c8695ba89a64b3cf0a7d271daf69b6bbe5cb9e09bd6814c2104d32d. 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/SEYOK2506917.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x561638758e293ba6b1a4933a38fe096cd88375eadb03dd5dc7e71b3900d00304. 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/NLPW82000005.