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 0x56adde9a4cd8e48b279305ec64273b06e3c469c68991429dd431d49e7f9a1776. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/ea492e7b-ced0-47fa-a4e4-528b7d4cb34f.json and https://artists.proofprofile.net/proofs/artist/ea492e7b-ced0-47fa-a4e4-528b7d4cb34f.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 0xe05b4cfca34061e8a852145f5d86d4dfd111c883b7f9c394bf20d9d70f125664. Chain 2 (Bitcoin): anchored in block 959037 (2026-07-21T19:07:20Z), 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/QZNWU2374830.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb1526648a8180356c19a2d4809f5fe68f4a38deb017c98edd94f31eb2ade1ed2. Chain 2 (Bitcoin): anchored in block 958153 (2026-07-15T12:03:04Z), 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/QZTB22388593.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe05b4cfca34061e8a852145f5d86d4dfd111c883b7f9c394bf20d9d70f125664. Chain 2 (Bitcoin): anchored in block 958377 (2026-07-17T06:48:00Z), 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/QZNWU2374830.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3331ecdff8e809c7c655eafdab7fad66bb0d9bb0174120f81e8dceae88632385. 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/QZFYX2469171.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa05a763f2cabe055e7ef0c8505b0ac16fc1e0662cabdd1cc7fb03d77d27de1af. 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/QZDA72473885.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9ceaa92397df3ee5d80ab610de6dd548525743b23e086fbc35eb912d792091d8. Chain 2 (Bitcoin): anchored in block 958143 (2026-07-15T10:15:04Z), 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/QZES92481212.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x46d873833377032ad1623f8ce3c5c3480af57800510b1bd4fcd5e71bc210283b. 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/USLD91760796.
Free Hankroll ( Pretzel Man ) [feat. Yung Threat]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7d059c288e719174d16775998530bf73072a4b32bafda16be6b3b3eb88c30e2f. 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/USLD91760797.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x03c0ebb1bae0d127cbaaae6885099ff37989aad0727d697940319005fb3a5457. Chain 2 (Bitcoin): anchored in block 957805 (2026-07-13T04:34:37Z), 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/USLD91763208.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x26cd38136896d0d54e215c387d3f594b88323ee0a8e6eb0f6f9297f650dc2df9. 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/USLD91762135.
Hill 2 Hill Pt 2 (feat. Morally Rich Jake & Tankbagz)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x873b718fb962e4f57174b61b7677fa7f69df123c4c12a563d3f562d4f2071194. 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/USLD91763209.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7d6648b798c573be4398ce448737a40ec883c714047d5a91c9a3731b5b4ee623. 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/USLD91763212.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4c9795c4f5c5f46e7d9f2422efa4c0276057b9f8a286fa52f700831ab6e618c5. Chain 2 (Bitcoin): anchored in block 956656 (2026-07-04T14:03:39Z), 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/USLD91763214.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x887e1dd50968e7177e1b2b8d2add1d6983c31a5f9e5739787b5f3c3f2c43d43c. Chain 2 (Bitcoin): anchored in block 958996 (2026-07-21T13:01:56Z), 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/USLD91763216.
LLMRDISRESPECTFUL (feat. Ybcdul & Morally Rich Jake)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x547d9842591837edfd2ff85915a1cc9cbc4b36047d1c9f79b6a03d811a057598. 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/USLD91763218.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2eeddeb5994517e5cbc552b8a6635ca10c36c4ba9e1bf11afba6dc3fadc21320. 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/USLD91766433.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8907d05371d786bc277ce07f3ac28ad39d91f19a1959517ca8df542843a0426d. Chain 2 (Bitcoin): anchored in block 958853 (2026-07-20T11:46:04Z), 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/USLD91766698.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcdddcfd822ab11746a86ba6a2f1541725b00be6eae8b94954dec3f6ef437c470. Chain 2 (Bitcoin): anchored in block 956776 (2026-07-05T10:59:37Z), 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/USLD91766699.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1b02f06ac9ca044a9abc9f1fd179a98d4d0dd5c4b80ceda6f923bf05497fae08. 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/USLD91765146.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xddc351c74169042a59926004746b4e3e3d702b6113a93375b97538956580b199. 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/USLD91766700.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9494c161b9892cd9dbf34e89896f1e06e2c510da494c2ba67bfa5f73d705549c. 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/USLD91766701.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3cca550e273813050b644be947192b0b23a34afa00d21b514acf42a8e9609499. 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/USLD91766702.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x11bdd5a8bc26d32a2d52a7bb99884d4c691203b7f1e1deb2188588a379b5ef26. Chain 2 (Bitcoin): anchored in block 956383 (2026-07-02T18:11:59Z), 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/USLD91770878.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd73bd6ec070a5935e07cf663fa434c7e3ca21323444b67d5be22f780f36cf435. 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/USLD91770879.
Dead Wrong (feat. No Savage & Yung Dizzy)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x87cbfda0d9ac56a544460f810e156a65d83b45a3be673fbf8db8aca14a83d408. 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/USLD91770880.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xad0cdad4d7c84920a7754a84a1b6b7fec3a650d72aa10a4c2697778221a08872. Chain 2 (Bitcoin): anchored in block 957882 (2026-07-13T16:48:10Z), 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/USLD91770883.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6d175c48057523e2cb8cefecd3b9615996331c350b6671af34477567194e876b. Chain 2 (Bitcoin): anchored in block 958705 (2026-07-19T08:43:25Z), 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/USLD91770884.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x379b2d13fefa57b18bfeee34d9e57e69accf1ce9043a4cfa71bb9f6cac5da594. 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/USLD91770886.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd8ac595a569a84046912097bb1d462ec0453911228c8dd2c4fc3c3ccc86d7195. 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/USLD91769538.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaa2735502e18a662f7c6830a533e588685cc54a1304982e343bef8f2105bb1f3. Chain 2 (Bitcoin): anchored in block 958461 (2026-07-17T23:18:11Z), 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/USLD91772745.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaa2735502e18a662f7c6830a533e588685cc54a1304982e343bef8f2105bb1f3. Chain 2 (Bitcoin): anchored in block 959015 (2026-07-21T16:43:58Z), 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/USLD91772745.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2787d977b8f1082b557ac15986f87d285ec3a8928c5a959cdefb744835f84f89. Chain 2 (Bitcoin): anchored in block 958779 (2026-07-19T23:32:39Z), 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/USLD91774401.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7e66ff7e9e1f63958d043cb9af0b3b8d20e9c4674593457e97df863df07ad635. Chain 2 (Bitcoin): anchored in block 956656 (2026-07-04T14:03:39Z), 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/USLD91774404.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x76103b0f70b2f34d5d05e5af0cdba2e8967cb865a25e003e9ce899a5760037fc. Chain 2 (Bitcoin): anchored in block 958380 (2026-07-17T07:07:02Z), 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/USLD91774406.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x54ff47b81678fbee862dd891cbe8c0b553f0e138e5b960b02df6715713038c13. Chain 2 (Bitcoin): anchored in block 958842 (2026-07-20T09:41:40Z), 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/USLD91774407.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc4365a457f6418a735c8a19f82644e53e0c23db9a087bf508f4e39b9c69a69d4. Chain 2 (Bitcoin): anchored in block 958520 (2026-07-18T08:19:09Z), 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/USLD91774408.
Don't Run (feat. Gizwop & DaYungMagician)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5012b6a7e63aa0d3eee42398f1c61f71fa97f8f80ade9c3d4b30aed9b7971207. 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/USLD91774409.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x94ad7512c582439d77aa2913f88aa0bad40b140393b6795dcb22905c5ca720ce. Chain 2 (Bitcoin): anchored in block 957782 (2026-07-13T00:52:48Z), 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/USLD91779460.