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 0x5ee559feae8e81457b63bfc301d2cf76a68f17e69c5c497a90b12f7a22dbef04. 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/dd956a6d-bf2d-43c3-9dbd-3ec49cf6c061.json and https://artists.proofprofile.net/proofs/artist/dd956a6d-bf2d-43c3-9dbd-3ec49cf6c061.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 0x356f1c91b890d44f410856c81e8e1a6f7a4e0522f87e1be967e4b8a22332f693. 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/QZK6J2070678.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdc9f1c784fc4cb0d174bca0795d0db1c9e91f04fdd09ea0c3307ccbff0de8099. 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/QZK6M2050523.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc02846412a4426a531f3cbaa0618831c84d60587517aee69fbeea62f7d4618ee. 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/QM24S1903980.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xefab5dc1e2afae318a11a063540ad34a80f67a9e88dfd5c1d66ae5d646a172d4. Chain 2 (Bitcoin): anchored in block 958166 (2026-07-15T15:55:19Z), 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/QZHN72066009.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2f47978f0269d2113c934afb6b07a3e0bab0cae55fc1c8d722580835376d986d. 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/QZHN72066010.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe25b1253372a22530aa0791e9c2a1211809675d7886eeeb1c3891937a3941f84. Chain 2 (Bitcoin): anchored in block 958484 (2026-07-18T03:34:53Z), 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/QZHN72066012.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x348e637fa7f33417d9c3f8ae27af909c52e9e16061655376698a22c93900dd6d. Chain 2 (Bitcoin): anchored in block 958256 (2026-07-16T07:22:18Z), 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/QZHN72066014.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa8ff17d189693c4531a5339a71b98271215b8c30850cf670933e79637dcd2e72. Chain 2 (Bitcoin): anchored in block 957750 (2026-07-12T20:39:38Z), 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/QZHN72066015.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb095f20689368548ebb2bfbcb722536bf155b35dc67e29b7295d94a3b5a1c9c2. Chain 2 (Bitcoin): anchored in block 958074 (2026-07-14T22:45:25Z), 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/QZHN72066016.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x37a3d80b5599a6207d99b9fe0e64717336499721ac39293ee7e6d5b543b39bc2. Chain 2 (Bitcoin): anchored in block 958163 (2026-07-15T14:38:07Z), 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/QZHN72066018.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3871c6accdc015f0b2ea976cc5f93821e6f9cf574e943adeac81ee72a7873bc8. Chain 2 (Bitcoin): anchored in block 958785 (2026-07-19T21:40:06Z), 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/QZHN72066019.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4f76323419bc15a65674d5ecce5f4b392e0c648554868485a588eba0701266f4. 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/QZHN72066020.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb32fb09526fa4587a75c7468dfb5f005b9a9a6bc77bbea5471897c26f6eb2fcb. Chain 2 (Bitcoin): anchored in block 956422 (2026-07-03T01:01:38Z), 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/QZFYW2059527.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaa5b6a816837c9854f9fb82a717caf572a46f88bb716124ce5c8630a5273e35a. Chain 2 (Bitcoin): anchored in block 958121 (2026-07-15T08:02:12Z), 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/QZFYW2059530.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x30ac3ccf9ed91fa099b1609133af629367890f713cba489bef31048a4a00345b. 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/QZFYW2059531.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xca5f1736a724f19823f47c0eec5620e2ab63180fcf3bffa708d43b5b82c0aad3. Chain 2 (Bitcoin): anchored in block 958300 (2026-07-16T16:14:30Z), 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/QZFYW2059532.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4cb1a86d50ef1f4c560afb94b27a34a0412a0bb67a712052cfc1676aa127cfa5. 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/QZFYW2059534.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0515f76e2851e421a503e819f50a4ea8216924d7d352a1f8f8873809644d02d0. 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/QZFYW2059536.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb65ad84243f2f5bb23047f0315ee352d3582c1ec3c890b41612a44dd0e630776. 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/QZFYW2059537.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7066ddf54b66920f53cae6de9695d4842e87173d8751d9423aa44ab2f9e4e72a. Chain 2 (Bitcoin): anchored in block 958404 (2026-07-17T11:34:58Z), 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/QZDA52013700.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa052b30cb2d7116075a24f49b94c6621a8f52ad4764c4e6372935a3cb9a75716. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/QZK6H2147801.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xebfedfdf43b83663afdaaf924d383dcf745e9da0c662812e81a31c7477ec8dc9. 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/QZK6H2147802.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x46010f1d3e139424dfc556eb8a1ac8c58f78102c7562709e9fb7c0463e3de1c6. 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/QZK6H2147804.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe0c124005254570df5cbe189b0fa13964bce548a1b191eedd304b9cfded70797. Chain 2 (Bitcoin): anchored in block 958774 (2026-07-19T20:03:27Z), 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/QZHN72088110.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x27c19d91fdb541aef4dda723c0d33c905b4f9f89a241107125c8545de143419e. Chain 2 (Bitcoin): anchored in block 956484 (2026-07-03T10:47:44Z), 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/QZK6K2187377.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x00e3d597adcc33ab60248d0b6c2f9453b5522963b8ad64c9d5edb4aae1611b47. Chain 2 (Bitcoin): anchored in block 956637 (2026-07-04T10:56:23Z), 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/QZHNB2223564.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x982bbdfe3f6428d635784d54c480ee59f8281231119454a8565622896ae8c100. 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/US3DF2299368.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa75bfceba7e899c958b4f794574bfc023db41e45383e2c5fdffbeb5a294a7dce. 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/US3DF2299250.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3bccd35f15ba44915360240d32d183b4df639eb403df4a938d5ac67bbfed67d0. Chain 2 (Bitcoin): anchored in block 958602 (2026-07-18T19:28:16Z), 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/USANG2244886.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x234ab6a4b2c101f62e1d82e483b424e758461caf5be8205296b07177d664ca19. Chain 2 (Bitcoin): anchored in block 958224 (2026-07-16T02:28:43Z), 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/USANG2247652.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x679f3913ccfc7ccbb67e8b07e5996f6f847103f7d69c4c16be94f07963c0b500. Chain 2 (Bitcoin): anchored in block 958224 (2026-07-16T02:28:43Z), 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/USANG2253924.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5ca0c66a2cdd6929a908ff5b9f68b4dadddd31014291157ae9911a704c816b5c. Chain 2 (Bitcoin): anchored in block 958945 (2026-07-21T00:35:28Z), 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/USANG2293648.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4ceee3e6ed77d7a8719b8a2698781040f3b4ef3baee68a50fe1f0250c05a46b1. Chain 2 (Bitcoin): anchored in block 958455 (2026-07-17T21:28:36Z), 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/QZMEN2386493.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x72325e6cab5a95b2f0fe3eec3eb85f1aa96ef2faf49eac4285b609328d97c621. 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/QZTB52381828.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8316c006a82f40c2f6a427f868e4889d65cea631654c66637e2860c171895793. 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/QZTB52383172.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x17845e4c734dea3901110ef6f72fc7fbe8c6731d945175da41e708770d86f0dd. 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/QZFYX2476955.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa784943c88d527a007795c2346b1a572536b7d0b7bc791901453e776143316db. 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/QZTB52383173.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x26aa837ad746665b8c8720569ddd7dc37147e0a032acecc771d4d3fb5bfc0b3d. 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/QZHNA2454162.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe75444a52f7e1c1b0eaf30d251ece7855b20b3c3e596065be8e1f956699a3678. Chain 2 (Bitcoin): anchored in block 958942 (2026-07-21T00:24:07Z), 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/QZK6Q2462961.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcbed2930f67607ea6b2fa00b211fbc207ebb7236504aa478d76d42413b8cfe3c. 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/QZMEM2493724.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9662d34e01bcd73a45c2601e30f96a25387fdb367c1dfda9867cfa6924c71d69. Chain 2 (Bitcoin): anchored in block 958074 (2026-07-14T22:45:25Z), 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/QZNWY2475581.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5bca8716c230f8ef85df794b3d42f81cfe0e894c640d7ac003f24eb2d32c177e. Chain 2 (Bitcoin): anchored in block 958788 (2026-07-19T22:07:06Z), 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/QZZ7L2479560.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9ede35ba6866a840ce33b0eb9b76091049a6c4232633463df66afcbc10efa3e3. Chain 2 (Bitcoin): anchored in block 958489 (2026-07-18T04:13:26Z), 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/QZTB22492189.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcbfc4a84b61b7186d47b1b9c121a844ab063afafa031d8251e934683b34b77a4. 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/QZDA82575016.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8c55b8c7b1f7bbff22518202fbffc039cfa95196c40c6b291c19bf94914967d5. Chain 2 (Bitcoin): anchored in block 959008 (2026-07-21T13:14:05Z), 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/QZDA82575020.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3d84b593b0cf9e6b57b747c5c8ee350e7b8b5ae45b30331a3d8d923d6126bae1. Chain 2 (Bitcoin): anchored in block 956637 (2026-07-04T10:56:23Z), 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/QZDA82575022.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8c4fa3efc88c16fad74f2f0b033d00d422ef00c0f9c420bc5ace7b3382cb6806. Chain 2 (Bitcoin): anchored in block 958152 (2026-07-15T12:00:27Z), 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/QZDA82577101.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb8cbca1154bc44489300c31239c6283078706b370a2eacfc0c935c5c550985c6. Chain 2 (Bitcoin): anchored in block 958785 (2026-07-19T21:40:06Z), 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/QZMEN2546010.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x857e106b3c2a88e8857390e57061b28ccbefb7479c5f4d8b55b6cfd0aea67cda. Chain 2 (Bitcoin): anchored in block 958802 (2026-07-20T01:04:02Z), 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/QZWFX2525910.