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 0x0f47b28a0e76f1c5514cdbd837b7b8eee9a5a32e083cedf71b3bba9b4b6ec074. 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/891793e3-22bc-4f1a-8830-567727ab5635.json and https://artists.proofprofile.net/proofs/artist/891793e3-22bc-4f1a-8830-567727ab5635.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 0xb8094882eaa9a3f12c7d6ff7de25c4dfcf5892228944b199d650ba069756afa7. 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/USMC17654975.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1e836047ecdd48832f23f24ea7f5ea848295668350fde673a024e0ca81436fcf. Chain 2 (Bitcoin): anchored in block 958341 (2026-07-17T02:52:20Z), 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/USMC17654977.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x09424804868975b2018da7c55c4a1c33efa00289fbb8b91da18bf4223b4da17e. 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/USMC17654979.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x31a48dfc7f558a2df084f171deb46cc3dc770271be9df7009505a20aa5acb5be. 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/USMC17654980.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x387e11a998695dc0ab1abb42da7a9444b66a3303a85757357d5b9de30a5d35c0. 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/USMC10400303.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa629742367061c595f5134b1ef834f979c5334b93a66f234650ce60b12785d8f. 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/USMC10400307.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdd500aa30072b3dbaeba49815898228540a1417947dd05f2b3b0e74a39c96c4d. Chain 2 (Bitcoin): anchored in block 958211 (2026-07-16T00:18:08Z), 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/USMC17853818.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x83ed11b108c5bde27b51b9f8c50097a15997accff81b307a30ca365896050b6a. 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/USMC10400309.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfb31c2b5fc3afc05fa3f284685b722675e5e902462746f6755ff8f3cd3604f6b. 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/USAT21102210.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfb31c2b5fc3afc05fa3f284685b722675e5e902462746f6755ff8f3cd3604f6b. Chain 2 (Bitcoin): anchored in block 956790 (2026-07-05T12:31:54Z), 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/USAT21102210.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x26e387aa173a59c2b02a08ce6ca91a23e4bb4ff2dfc84a7a9c1d93229ba15b21. Chain 2 (Bitcoin): anchored in block 958169 (2026-07-15T17:49:05Z), 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/USMC10201071.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x98d284be6ef33383ff592c2d7e8fd81b0deb03ba63051af13a3fb5c940410486. 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/USCGJ1805288.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xae16956bf3973d6593964cccc5ee482b33878ceb5c312d8ac0ef734b77c578f0. 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/USCGJ1805291.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x865fa1491716424c8146ad5e025f2e075871d9a7d76604f3311b63618f332224. Chain 2 (Bitcoin): anchored in block 958350 (2026-07-17T04:35:43Z), 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/USMC17653809.
20th Century Masters: The Millennium Collection: Best Of Stephen Bishop
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4c968cce3219886479ede264b4d1998bb5d1d9887b08f242fd8b1f1f9f783ef6. Chain 2 (Bitcoin): anchored in block 958271 (2026-07-16T11:01:20Z), 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/USA560619686.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8be3e902b5d3c8509c8f1d1cd1366615577dd45d4833233d86d6500f4b02fe6d. 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/USDEI9902794.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1cb67e743248a126c6b7adde72783e2b15d1ac128c1c0f545cd317c2e1da5181. 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/USSJ10900212.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb003fb0c5b14f42bff856a9f2d8ce7a6fd87ecfb4de9fe2f94c0d40d99805dc6. 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/USSJ10900213.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x792b6c78ab0d8c73d040cab430fd34bbe6995a380b146f975d2c669b42547638. Chain 2 (Bitcoin): anchored in block 958079 (2026-07-15T00:21:05Z), 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/USSJ10900214.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x328b7aa7d93e512ca30651c42475db242fe3abb6efce926835a1c593aeecce2c. 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/USSJ10900219.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc5de404d561fd8333f72d1c8772b0e3518612a114be75c23d92414f16e5ca431. Chain 2 (Bitcoin): anchored in block 958170 (2026-07-15T16:21:50Z), 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/USSJ10900222.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3d0d5b406fc8f43218470ca2b3b6392ea7f47ffb9651c4ace8283bc50d53348a. Chain 2 (Bitcoin): anchored in block 958170 (2026-07-15T18:49:31Z), 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/GBQRF0820412.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf84d42e7325ef2040c0ad64f850401a0363ebf68c7260b161fee1848bb666edf. 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/USHM81406048.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1f90cfc9a050d1e502d78490dbcafba24bc00ab6c89abd9e797078ad5cdcc3b5. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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/USHM81406050.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2dc8e7bd2c5eea43610d653ffc9aaa3f381e17b78685f4574784982a7cde18d2. Chain 2 (Bitcoin): anchored in block 958554 (2026-07-18T13:17:01Z), 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/USHM81406052.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc539b37669ec2980b1cf1b00764ff1360070f3b69014ad526377af099d71896a. Chain 2 (Bitcoin): anchored in block 958514 (2026-07-18T06:54:37Z), 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/USHM81406053.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3589e6619620ce00075e88e47e5dcf146d161fa94b80396d7e86dbcaf2b3c758. 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/USHM81406054.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4b0b8af1bc5c31871e7721eae43c271df29e50b9f44ff89975af9acac06780e5. 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/USHM81406058.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x87f588b86c8715781fd5d056d4c08ccb47ede4cf737cf99157f414beaef01d53. 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/USDY41651443.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x92af3dbe9ea74ba2c7354211aac40337babd5dcde71b04ac4d8cd2fa5499e0de. Chain 2 (Bitcoin): anchored in block 958969 (2026-07-21T04:58:13Z), 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/USDY41651445.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8e54a2b28ab9bc6f5d192affae096385bc990d14a2ac2d1280c2e99205eec660. Chain 2 (Bitcoin): anchored in block 958917 (2026-07-20T17:53:56Z), 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/USDY41651448.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x082aba32488ed88f0de61ae23f19de0a63a4e2d7a79a85b335ab8dd0f66b0e96. Chain 2 (Bitcoin): anchored in block 958079 (2026-07-15T00:21:05Z), 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/USDY41651455.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfafc84292c712584b1d3ebbd226c3d8dbca865847ab09c5002f2db7c9ec3366b. Chain 2 (Bitcoin): anchored in block 958728 (2026-07-19T12:24:55Z), 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/QMRSZ1901333.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6a4db9f0d78fc88be9ddcac7e3eb2c70429237bf2d3fa8970b527b54d80a8336. Chain 2 (Bitcoin): anchored in block 958969 (2026-07-21T04:58:13Z), 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/USHM22237777.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2289bbb55b987d25d28cdd5f78faeb805f2a1e623b9d42c9743848e2979e0eaf. Chain 2 (Bitcoin): anchored in block 958775 (2026-07-19T22:32:11Z), 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/USHM22237787.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa04292900a518a04f1dbcd5f5327b6a84abbcc6918acc4f62baa5660050abfa4. Chain 2 (Bitcoin): anchored in block 958749 (2026-07-19T18:24:10Z), 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/USHM22237788.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x49588c4a6e9008f5cc1190343ca53e5509e0581c73860204a37b6d2aa03399a3. Chain 2 (Bitcoin): anchored in block 958726 (2026-07-19T11:47:20Z), 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/USL4R2433316.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb06b669e759b8798eff6652f7adc8560898be0e9cd959a5813ae8c62ea7ae021. 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/GBBBA9660040.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcd07011903999a97cded898f80408705afc638b15e55cbc5f21cb49cf26db36d. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/GBF071301770.
Arthur - The Album [Original Soundtrack]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xffcef6067af37188fce6426082920ebedd342d026a54ea5afc5abf130d6939f1. 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/USWB10800112.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd18b827b2ca57e8f16b37f0635d003e4ec855092b3baa09539d2a2b9111cb484. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/USWB10603712.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9ca6e1b0e628a1c1b8640ddc94eecd6b6104c35d0637ebb9a998d31448a554b9. Chain 2 (Bitcoin): anchored in block 957061 (2026-07-07T16:07:00Z), 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/US25T9912143.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbcbf1ccf3c63d4fa299156d6e99589c9540112f47418a2fa87f2c8cf10159455. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/USWB10202409.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x19e34126eb8af9109728e25e40b95f672a1c4d7c226c0fed6e162663e01c01f7. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/USMC17647807.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x36b3efe19973a6b1fbfc6edfa2b26137c6d94bf72080f5b2c5d5b3acff6c0460. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/USA371147000.
Halloween Howls: Fun & Scary Music (Deluxe Edition)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x47da01d92814dadaf7a38bbd15452361a58e88ee69ff0684782a1f503550131f. 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/USB440453202.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x47da01d92814dadaf7a38bbd15452361a58e88ee69ff0684782a1f503550131f. 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/USB440453202.
Spooky, Scary Skeletons Plus More Fun & Scary Music
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x47da01d92814dadaf7a38bbd15452361a58e88ee69ff0684782a1f503550131f. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), 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/USB440453202.
The Wonderful World of the 70's - 100 Hit Songs (Rerecorded)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7c241457aeed5b4f448d40e04b11f8e7964677f3ffdae52e5dadfa7c2b7042ef. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/USDEI9902756.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x415ed89378707513ce6190cb1c7d70301c62ae9d0cc4ad3d91f98a3897500150. Chain 2 (Bitcoin): anchored in block 960334 (2026-07-31T02:19:15Z), 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/USDEI9902791.
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