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 0xd3cbe3f795e52533362b4731a0be19fe971238877df4c19c3ae70f69e2663a45. 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/bae2461e-d5b8-4924-aa0d-5a7c7f574a9c.json and https://artists.proofprofile.net/proofs/artist/bae2461e-d5b8-4924-aa0d-5a7c7f574a9c.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 0xcc44be3bb0a1d172521e994c6889def5e0c958d244345761cfb77c0125d13028. 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/QZHN42387768.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf3f067a6b31aba70342c4521705418dd8a3d7f34a0aee73f060d22f8019b9a5d. 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/QZHN42388615.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xde4751af6ab984f86a1464f2fdf08e610d3075e937397b51bda77d2ebb4fd85e. Chain 2 (Bitcoin): anchored in block 958395 (2026-07-17T10:10:33Z), 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/DEH742305817.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaccca80435f267fb2a955630abb825abb87cc0d12b3a38cf484491dd889d59f7. Chain 2 (Bitcoin): anchored in block 958104 (2026-07-15T05:34:05Z), 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/DEH742305818.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0715e6f415ffe42ef30cd8415c41446211eb1f670458c2c869c1f6a8d8219c89. Chain 2 (Bitcoin): anchored in block 958576 (2026-07-18T16:22:28Z), 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/DEH742305819.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0c696d4c6281f5305fe5fd03aa3206b334987d0263093bfa4ea3c915a76a2f25. Chain 2 (Bitcoin): anchored in block 959008 (2026-07-21T15:32:18Z), 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/QZMER2339617.
Run-A-Train EP (incl. Tommy Lewis x Dylan Fogarty Remix) [PHTM009]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4dac0ce63fd5a6f8817abd463fd146081cf1c42e728bd4e6f87c4b2cf37ed538. Chain 2 (Bitcoin): anchored in block 958286 (2026-07-16T12:43:37Z), 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/QM8DG2369527.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcd3022d6f6b886c39d96cc3bbf5179bbf8e0fe3c65f43f23d22cb34573301dd8. Chain 2 (Bitcoin): anchored in block 956476 (2026-07-03T09:04:44Z), 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/NLCK42236839.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd7e3d353a804b1517aa5e44085dda94f2603ad661b25f90eee63adb40553a541. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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/NLCK42236841.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x28a25a4dad87975c18e43463994ccc79a113d08385717d4ce5b106424251989c. Chain 2 (Bitcoin): anchored in block 956857 (2026-07-06T01:26:17Z), 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/QZWFJ2302502.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x910e41bab05050929f6a0b9f936c862c99e0f723bb857b65cf8ddbed8e396a9b. Chain 2 (Bitcoin): anchored in block 956482 (2026-07-03T10:33:57Z), 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/QZWFJ2302503.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0430ec92030e85db9746e316f2b1dbcf5dfde372895a8209a12bdf0818c7f2c4. Chain 2 (Bitcoin): anchored in block 958561 (2026-07-18T14:22:01Z), 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/QM4TW2448645.
If Sex Was A Tool - Big Dildo Coyu Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2084ee2a72444445d1758f583b292d5844621de59fe393bceeb7eb7959caffb6. Chain 2 (Bitcoin): anchored in block 956420 (2026-07-03T00:42:11Z), 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/QM4TW2448646.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9b1837e6a0ec538d9ed06d7f7c9f3f9ad505e76f3dd5beefbaf7b4cfab117672. 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/QZDA72484262.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x01a4451e27b12988d4eb766079a2522859207fd01bc4c0526296b0031f8686c4. 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/QZDA72484263.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6fd3e1871c3e57be19339604cac50222ac8afcc6a2e744c36a07264d5c193212. 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/QZDA72484264.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xed0e8b70f89bad47eca658e7e36fbba56cbdfd02d8edc088d747f430369907b1. 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/QZDA72484265.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x149fa241f860d42c9157e1f3fce520e55806091a2756b5a4dee77c97e416dfb1. 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/QZDA72484266.
STRAIGHT FROM THE HOOD - Ned Bennett Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4ae75486fcadb9a9823e6494649bc61f64230abc61c23d0cc6273fdbf218f288. 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/QZDA72484267.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x16716e6014a299f3d645ce67430f698372e490bcfb0cf9baf11de06e448890be. 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/CA5KR2475971.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7581f7c404dd184d9c498643055f4877c0a2aca32dd44387a441e9e9e2145fc0. Chain 2 (Bitcoin): anchored in block 958335 (2026-07-17T00:58:04Z), 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/FRX202551400.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc77ef4a5222ea68bb67c39f39235c4e0e2383cd9f8d803c40b3599df62671367. Chain 2 (Bitcoin): anchored in block 958585 (2026-07-18T17:05:16Z), 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/FRX202551401.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbfda052a104fa1b5202cccd83bf1d59c62bc3fd3e9db15efb08015cd44b426bf. Chain 2 (Bitcoin): anchored in block 958839 (2026-07-20T09:47:22Z), 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/FRX202549064.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9bc421fc8dea864259f65a0363c081c7da9d2a79bb55ca905f11995d042843fa. Chain 2 (Bitcoin): anchored in block 958366 (2026-07-17T04:59:09Z), 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/FRX202551402.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9789b1dcbd5c88218a11fee99ff39bc4fa1a01b4108f0cc0d9fe5110cc372369. Chain 2 (Bitcoin): anchored in block 956420 (2026-07-03T00:42:11Z), 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/QM6P42579400.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x004157a670e0218dd2a27081889fd40acac850055f97dcef0fc6b7e36c5fe46b. 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/QMBZ92519625.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x06749603518938d709980a0bf252114c72d0fc03e4c0870367e4baf8e7ee83ac. Chain 2 (Bitcoin): anchored in block 958384 (2026-07-17T10:55:09Z), 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/QMBZ92519626.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x860c6af5a25b8c2f9f002dae516752044a447bcf0539cce5aca6bd27b5c98d89. 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/QMBZ92519627.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x985215e1cb426eb74bbd7eb1deb25ba80adbf25b0af2d5a1f3aa72904bce545e. 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/QMBZ92519628.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd63376af1cd91a0964a97bc78f89a9253aa159e3c87d7beba7cb52859bc4569b. 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/QM42K2308734.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb1d616cffd4ba6d6b1b4abfd4788dcf58f292061b7c6980e2a1d3cdcd04c6878. 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/NLCK42227509.