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 0x6ed3ed5cff1ba2eb4dcab3ffe488c9f82e133a396e93ef5a6bd008a6f6418401. 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/9e80e9c5-7b83-4144-abc8-fb4b7feed9f1.json and https://artists.proofprofile.net/proofs/artist/9e80e9c5-7b83-4144-abc8-fb4b7feed9f1.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Por Todo Tierra Kaliente, Vol. 1 (En Vivo)
Por Todo Tierra Kaliente Vol. 2 (En Vivo)
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 0x387c0d0aeefa4065e8a2eda3e87dd7a9848e313620a27c56045ce28eacc5dd0e. 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/QMYQ51000003.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa6dcf427a4f6e6a7c8fff2e1a41f4e631c1002a1c9855370bfc6eca34b9926a5. Chain 2 (Bitcoin): anchored in block 958228 (2026-07-16T05:27:06Z), 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/QMYQ51500012.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb196774cefa63911b4f5774712f591b524cda0916a035c53cf9b3272ffac0b9f. 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/FRX201937543.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe0c1888febbdbc01bf266f87f954cb7ab29341ab1e5b6b0ec7e23ca5db427b5a. Chain 2 (Bitcoin): anchored in block 957888 (2026-07-13T17:43:59Z), 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/FRX201937546.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf0f03064fa26341890747381505454ea5d93a47231ee92587c4c6de1ef8b8f78. 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/FRX201937551.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xedc2558c87ca04a6b19054582bb0d640cb88f751db8cb745c0b9145e40c99880. Chain 2 (Bitcoin): anchored in block 958196 (2026-07-15T22:53:07Z), 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/FRX201937552.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3ec517991397ca471518c2505f8134fb81accbf174e6d4a3badcc8a770e89aaf. 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/FR10S2094006.
Coronavirus (Ver. Acústica) [De Zirandaro, Gro]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x96ad6d34f8ed40ad91a9c77e7107f4358e05c45975c53013ce238b6cb43cf1da. 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/QZTAW2471257.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2b6033b6dd8bcc6413b1bbdbabfedcd095fe63e5c497ca40567bde35e13f039a. 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/QZTAZ2457173.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4346b42dcdb9932efb8e9a59fa52193968f27083556bd4b478faa3639b9cbfdf. 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/QZTAZ2457178.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd252c7c4a7c23ef7212a2a799f0ac8068d848b72341a94f59b5e44d6f6886724. Chain 2 (Bitcoin): anchored in block 956560 (2026-07-03T23:28:02Z), 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/QZTAZ2457179.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7337ece399e203142dfe538b831fd3308d6a003ef57b41b8c042cdfb3cbd897e. Chain 2 (Bitcoin): anchored in block 956560 (2026-07-03T23:28:02Z), 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/QZTB22415278.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x57b6100b2b74dbfb3cb522b023fa7e073086cb51c32f38f10a60f7dd22456d4c. Chain 2 (Bitcoin): anchored in block 958444 (2026-07-17T19:12:23Z), 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/QZTB22415282.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb0d7d62c5490c318c53e86d4533804daeffc1b8f8a1610ee55904243ad43901f. 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/QZTB22415283.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8066016c60b689a9b45b67095c383ee87c501e3925b2a8dafe7b7498a3d9fcf1. Chain 2 (Bitcoin): anchored in block 958761 (2026-07-19T20:29:58Z), 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/QZTB22415284.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0012d07c490235397be8dcb64a8dba37defb07521bb716dfbeb97f1d7435641f. Chain 2 (Bitcoin): anchored in block 958373 (2026-07-17T06:09:33Z), 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/QZTB22415285.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5d1a84d339ecca335bdeff9a7fb850c2dc28ff8afeb60b069cf93d0149b0f06f. 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/QZTB22496187.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc1d7027e8aedcd6e4f00d3b673ab19898227d905f53eca11678952fdefe97d67. 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/QZTB22492666.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdeb3b3fc4b6a545152bea0d367a1a518bf8e793f5933b121b2ebcd576780aa61. Chain 2 (Bitcoin): anchored in block 958749 (2026-07-19T15:48:23Z), 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/QZTB22492667.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6360df168d41ea31a7ceda5455fdda63ddd6f4a81bdca676cd531a95d21aaaf3. Chain 2 (Bitcoin): anchored in block 959011 (2026-07-21T16:22:07Z), 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/QZTB22492668.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7d1ffdd4c478f8d6de96475f7ab329eb84ea6a88f5b0a8abe5a07ac8c86fc126. Chain 2 (Bitcoin): anchored in block 957919 (2026-07-13T23:58:45Z), 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/QZTB22492669.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x68ab6cb58a1e567130687b39537c4fb057dfe1ef8e3332437b3072377a015251. 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/QZTB42431141.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2b3738f09f85de8f48171335416ea2ed0df99aa1ced63c00ec84f38a51dfc552. 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/QZTB42431142.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x520a0fdf0717d2a4dd0c5da53defffc053046f556899fb0b7b81034afa751f8b. 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/QZTB42431143.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x670bfa70fab609e790187558a42171b8be15af903c6e21319f3023579750489d. 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/QZTB42431144.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x22323614c9a72aba9d5d75a94962ca016b62710736f385aa619a792c2baf0651. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/QZTB42431145.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe455b776d30c9e4662c4769cd1b5471306d2eed4efd5f5602941bbecea604567. 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/QZTB42431146.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9ab409c4b2a73c1ab608f53e1ccef8cc8ec3e700f6d66c709d29ef4adbb9a0c4. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/QZTB42431147.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x803fc3e71eabf1cfe27fc40ab4c0bf552cbef215b609570ac3d366955a937759. 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/QZTB42431148.
Para Gozar En Vivo (De Zirandaro, Gro.) [En vivo]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xacbbc9fcc2bd77e13d26c847d60060d10156a3de5fa66af6dd797463ac002d59. Chain 2 (Bitcoin): anchored in block 958324 (2026-07-16T23:38:15Z), 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/QZTB42466184.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x21a102857be8af0299d75e7089c3c9318ce85b5aa6795e67e63f073ee4bccf56. 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/QZTB42466186.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x79f2d4031fa94324b0aa28915cafaa792ac87dc6fd414c16ccfc19257c5b9fe4. Chain 2 (Bitcoin): anchored in block 958832 (2026-07-20T08:19:18Z), 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/QZTB42466187.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x53918df5cf771d49c310047b3b25097fd86b5a26e0f266d0b417db1c3d710d90. 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/QZTB42463951.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1d7f4924a337137c899ff3b15b9463c25588d89b21885f61109de7577e3cfa46. Chain 2 (Bitcoin): anchored in block 958392 (2026-07-17T09:46:31Z), 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/QZTB42463958.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x32f8982394c3d2e0a5b15df17d718714cfc30f0dfa3f1270e231036494914bb7. 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/QZTB42463960.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x925141d2b668e1739d936790cdd409e762edbc1a99ddc73c7ff3cafb8c65448a. Chain 2 (Bitcoin): anchored in block 957891 (2026-07-13T18:21:04Z), 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/QZTB42485414.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3f22a9627e596307e0d41e8df2c4218a2924d76d6295db663f75a2d1f17e79f1. 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/QZTB42489561.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1f78e52004e6f180120d85154493d69ee11c7c342f81058de94a4877edbc044f. Chain 2 (Bitcoin): anchored in block 959010 (2026-07-21T14:03:03Z), 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/QZTB62413084.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xefaedcdea4ae32dbb3eeb02889f64f9e6fb9051a3609bd7382b614baf1fb9571. Chain 2 (Bitcoin): anchored in block 958373 (2026-07-17T06:09:33Z), 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/QZTB62458165.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x57d6f6329baa0478da8e9bc16fef7e7054a569c0df6008bd2ec777595dd3b3aa. Chain 2 (Bitcoin): anchored in block 958166 (2026-07-15T16:30:40Z), 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/QZTB62492963.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1ae8f5815c161bae607cb91ee89e1ee15bab32d0ff90563af41d3bfaff0ef603. Chain 2 (Bitcoin): anchored in block 958324 (2026-07-16T23:00:30Z), 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/QZTB52459715.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe8d7750408e9f076af73a8eeb8fe4570260ef0cbdde36dfba30ab1d29c3d3387. 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/QZTBB2427407.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x07413856236db29d14f04349393134ceb8fba70004a2892e5cc66b3b7a33226f. Chain 2 (Bitcoin): anchored in block 958194 (2026-07-15T22:21:30Z), 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/QZTBE2487138.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x465299b28af348e365200371734c9292028e61e612bdaa7170ebcafcd17d3432. 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/QZTBE2487139.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdf09d247b47cf37d144324bf87148a9b937ef202494b098592043a23660b383e. Chain 2 (Bitcoin): anchored in block 959043 (2026-07-21T21:09:47Z), 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/QZTBE2487140.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0a15aeba61d987c37a986c54550e3a1024be776bfbb17915279ef20a073fe0db. Chain 2 (Bitcoin): anchored in block 958749 (2026-07-19T15:48:23Z), 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/QZTBE2487142.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf6aac1c5cad6772b0c151b58778ea03f62fc37f37579f342566646cc9c85cbc3. 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/QZTBE2487145.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe993ed120a67c628a3ac0f0abdd5a3e5d383d1dd9608300ccce7bc6dcf7211e9. 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/QZTBE2487147.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5dcfd19e15d1ac1655cbc31851e7d767f808355418c73fbe5562958198096f22. Chain 2 (Bitcoin): anchored in block 958897 (2026-07-20T16:27:31Z), 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/QZWFT2457797.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x761b07729be0a64f880b5095b720490bb5694aad05e5d6402378d47046e8b336. Chain 2 (Bitcoin): anchored in block 957891 (2026-07-13T18:21:04Z), 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/QZZ762423545.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcc6ea8c34d004769beb03c403100e209c650773cb24877bc1b87d0976c286ef0. Chain 2 (Bitcoin): anchored in block 958601 (2026-07-18T19:27:02Z), 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/QZHN52538663.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfe9c44331d280fa09440edcc781fe5c78f3e0cbd00cd15e7078c58be92b0711a. Chain 2 (Bitcoin): anchored in block 959026 (2026-07-21T15:38:13Z), 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/QZHN52538665.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x167c5beb84604a08e2fb68c0aa69e90f7a4bc6dd8fc302a443fff3cc8c56c422. 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/QZHN52538666.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0e37a24a9e5b6c5a3a4e569acaad826eb874d3768feaac7116b7af265e24b6a7. 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/QZHN52538667.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdc67df58837b449b8860ab0abc3c80c12eef19a5ae5d58ebe4308d6ea0636c57. 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/QZHN52538668.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0800bc991d8d92a19616a69e333837399d6b25d353b44c91fb3e31e409e787e1. 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/QZHN52538669.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x845b3152f09a680de68752af02f1e81dc80b7c66aed4b9cb62828ae5dcbe287a. 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/QZHN52538670.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdcb8e3e34bd467a5f46175367b33aca995ec64fd3066726ab0b6a0a7b6f3d64d. 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/QZHN52538671.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xad23ebb64570a72e94613f138348c82decb0d5b2f2e2b667f49e99396cd695b2. Chain 2 (Bitcoin): anchored in block 959015 (2026-07-21T16:44:50Z), 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/QZK6G2582743.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x42ada78f58f4bd4807afc6f31a672b23cd75595c08f13edeb776f9f8a40317cc. 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/USA2P2444802.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd79a650475accc032e7b50c1500900aabab161ab58e9fd67a681b4823493bba9. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/USA2P2444803.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0f4e5b6db8d903ca4b0fd3caa59173d026449d32520b0a5f191bb3fcd3a40420. 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/USA2P2444805.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4692dfa9596f23ab3c027464b265a07b9108c68810980795cc3edf0bb00521e7. 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/USA2P2444807.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0a4d636aecdbdfc95d79e016c4c029b484ee02b28c3323c8ca7a3de7cdcb2753. 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/USA2P2444806.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xca4c190bf51c9dd23b3136b6a5d22988a0d7bbc263489817d95bedc3ccbab3b3. 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/USA2P2418063.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0796fe908dddc32407a6bf2a46287f40d59c59009d7bf3d74b4e4840633b38a7. 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/QZDQH2146832.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9b6c47727120ada92931cb39e5fa651b9d1f6a80cd3ecfcf0a6d55aabf7f0482. Chain 2 (Bitcoin): anchored in block 959128 (2026-07-22T15:20:30Z), 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/USA2P2444804.
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