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 0x2cbfff44ac0fff1417725c3bc48e320de7d27adc5c50802cac0ae74ef95eff56. 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/f162b5f4-8455-4867-b5cf-66e93bf9e7aa.json and https://artists.proofprofile.net/proofs/artist/f162b5f4-8455-4867-b5cf-66e93bf9e7aa.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 0x3621e9f00cb7b4968a381d23826671b33a260c7b7deea453c009e8b9b61dbeec. Chain 2 (Bitcoin): anchored in block 958166 (2026-07-15T16:52:59Z), 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/PESK31515004.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x655b988614e7b1c487df178693041e8d2b9514ea1dcca5b4810e526df54cf635. 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/PESK31515008.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x117495c9600931c29381fdb47d15b253c77498135f272d5b8749f3f3f0158479. 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/PESK31515010.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe05d3ca9c2942a9a9f94aa0b1d205a403187ac1c03dcbb5ec7d7ab4e6293160a. 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/PESK31616001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6ac959d37410a4ab634422b651cb14bc9813a6ff2f7fd40b34106cf6bd5803fe. 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/PESK31616003.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x059c70418e6b3a131748a3372771e16115480cb689b46b09720df2720969f929. Chain 2 (Bitcoin): anchored in block 958775 (2026-07-19T20:13:58Z), 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/PESK31616004.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x98bf1b749799f2e7146716525c6f05a490321112ab2823f859c257fd6a20fe51. Chain 2 (Bitcoin): anchored in block 959080 (2026-07-22T03:00:12Z), 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/PESK31616006.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6dd5e46356b4982e1d37b16b2022f159077248a826f55684b3b6d7be2fb1abfa. Chain 2 (Bitcoin): anchored in block 958985 (2026-07-21T08:39:15Z), 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/PESK31616007.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb21719eb839dc8bba5a3f52c7992ac239c0906980b3fcbe17960577f65361349. 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/PESK31616009.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x91785ed85c8141689fc2d546266b7ed1acd3924c5c60eb8fc19fe89e6c2dcb17. Chain 2 (Bitcoin): anchored in block 956551 (2026-07-03T21:18:05Z), 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/PESK31908024.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4b777a56435ce512313e4f5bf46701538658741ced2eee3d53088e559ff5ae96. 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/PESK31908025.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc0a60f251553909fe8085e960b066ae0116f7df8cc262a647bbfd402d61bef03. Chain 2 (Bitcoin): anchored in block 958448 (2026-07-17T19:49:21Z), 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/PESK31908026.
Las Herencias / Lucerito de Mi Vida / El Famoso Gavilan - Mix Indio Mayta
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc37393bcef693db939d2c1a2df0845ca450b5ba36b8c56f61af36db5c0f86096. 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/PESK31908029.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x26b498e5fd16bf731fa36ee08878fcb7ca8202e42aa3e0025d8f781e1335fd45. 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/USDY42551154.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x92310475f8fda90538b208dc2dae1f5c559fd4c79e3da89825e9ef9ac842fb67. Chain 2 (Bitcoin): anchored in block 959114 (2026-07-22T10:40:32Z), 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/USHM82246813.