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 0x8e222baebb9ff863bc70df8f94bf6730767215a333c7c739a707c52a93b58642. 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/07f95bd8-4ae6-4b33-ad17-919927955170.json and https://artists.proofprofile.net/proofs/artist/07f95bd8-4ae6-4b33-ad17-919927955170.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 0x44543a2b7333da5b46f909e89563bbad4f86c8c0403e00653bc48124cfa97eb0. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/DEUE11836079.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0113e2965da5f1dd2acc02b85d719097f1176041eee5b207289cdd625b48a98f. Chain 2 (Bitcoin): anchored in block 960509 (2026-08-01T04:30:37Z), 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/DEUD91899840.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x614a9102a725137b1a38e8f853815d19276a51e5b993b2fa83b781c089786cc4. Chain 2 (Bitcoin): anchored in block 960222 (2026-07-30T07:48:45Z), 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/DEUE11836083.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6d8dfa45e313bcb7334bc88ff77aba829f8bccc8f3475e8371e12715ddc048d6. Chain 2 (Bitcoin): anchored in block 960468 (2026-07-31T21:25:57Z), 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/DEUE11836086.
Sinner For Life (Mattei & Omich, Per QX Remixes)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4c09619be28a968eac02729fa8fc7293f8feb3af30d99305b2b87ed2bfa3a9df. 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/CA7C62301082.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb7807512ccfbc1f9f3269a1715039c57e74dbacdbbb5492d8f6856cca5bef213. Chain 2 (Bitcoin): anchored in block 960441 (2026-07-31T17:29:52Z), 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/CA7C62301079.
Sinner For Life - Mattei & Omich Dub Edit
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x107066b51de12b2d665976e044ca4abf476c52a9de1d15d25b17cc0209773121. Chain 2 (Bitcoin): anchored in block 960203 (2026-07-30T03:35:13Z), 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/CA7C62301081.
Starlight (Incl. Flo Mrzdk & Juliet Sikora Remix)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x68713824e6786ba8c795fe49471bbaa253c8ef847a3e67ce947630989e921edd. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/DEW872303968.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0c94c221beaec1a8788b893058b33e7ec368fe01dd72e2a411a713a897df602d. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/DEW872302226.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe4565a74a345e82cfaaa21d5150e3614fed463434f793c1925da88c2d5476d8e. 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/DEW872302225.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x132702281cda2388985a326282a56fafe7b7c7c1686fc4f0cf8d09e868f94d0f. Chain 2 (Bitcoin): anchored in block 957011 (2026-07-07T08:25:35Z), 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/CA7C62300981.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbf3c59dbba8af7a5206630b11aac25f47908622243b94e857538b3b4b7703383. Chain 2 (Bitcoin): anchored in block 960441 (2026-07-31T17:29:52Z), 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/CA7C62300980.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x12171768d18ca46d2bd4da1855dd0f67896e27df72530bdc55e6cfa8ce5d17dc. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/DEW872207821.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7c505ab7252282f1974058bfdb1cb1c2c6be65649a55fa38c63958e55c9a324e. Chain 2 (Bitcoin): anchored in block 960095 (2026-07-29T11:07:37Z), 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/DEW872207822.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x391c2e209fcf789a50b7bf07771019da0839a54a716ed168b2dc5304bd8d5a55. 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/CA7C62200880.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbf5349d910b08607373eb5e092c0ed6173e9614ee75ee3b1449f05bbedaa9e2f. 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/DESH42200016.
Welcome to Perrydise Remixed Three (Maxim Lany Remix)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbd89c62f480a2f98e7aef5a53bb82f682962655a0b4bf9389c7d074933edc84e. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/DESH42100186.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2a734f49c89776c42a8f4d68bd8f35a61c3bbec38f0cd83fd916ea11cce4f958. Chain 2 (Bitcoin): anchored in block 957064 (2026-07-07T16:43:08Z), 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/DERV42100098.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2f8d649af4eacb62e7e4b9f0f3409da17b1c8df93e59933772029d37bc593226. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/DERV42100099.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x270c7a47d8c5b973ee310607361bd19abc96b2c4223a6eb7941f49751d8b3dd5. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/DEW872102904.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x170ea57b88107de09f484f6a081922eee2aec72036eefc689069dc655dfed64f. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/DEW872102905.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5147a7b3c24fded6c1c6376594465b6b30f7fbae26345063b6828d98c421f874. 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/DEW872102903.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x34378ae542db9f522db0581f7063dd40d3c2ead1c6d358ccf0a404c6d0198cdf. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/DERV42000083.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x20ad21a4c7f391d188404073b037c16c3e0d5f19229b0ef799c08e9d593aef02. 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/QM7282090510.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x607b565b6599452fac4670b5929661ec6ba1a3f4faba3f306f930f79c744cc74. Chain 2 (Bitcoin): anchored in block 960360 (2026-07-31T06:42:11Z), 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/QM7282090511.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6e38e62cdb65290ec11ce338d5ae5e207d0977d3d15e7bc898d893b9bca8e5ad. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/DEW872005190.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1665647ef50f682e63716e1b55e7ab722674ce9c9b0d5fa9a9efe3c66cde6662. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/DEW872005167.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xedbeb674203bba544fe205c37b19f975eb7c9a7b367ed722a0a338b0107ebb61. 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/DEW872005191.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb995501e93cfac7d38b45ebc30252f90b332663baad3e588ca2fe480f44b1059. 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/DEW872005169.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x98ad05d0fb1c652b40c568d713bf41815410fcb98012fb1d3f4e2b94b7196106. 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/DERV42000075.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xda78717ca43eada2855395c71a1cb867c114b14bfc31720f45f22b9403cc93ca. Chain 2 (Bitcoin): anchored in block 960144 (2026-07-29T21:09:47Z), 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/DERV42000074.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x39a0651ad5448c837d18c7d3d337e5f2f44945b7d37723bfbe413986f70a16a2. 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/CA7C62000363.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc6c37c1b5e53597316e052f438c0b43945c3157d3b8b8f1b4acaaa20fb209f97. 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/CA7C62000364.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfa183445568355e306e5a44c4ad0811bb3148397b3d67ccc8795b0998666fdfc. 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/DEW871909196.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8e5dadd74440cdcd93d4a162a08ece3d3414d86e4f79d8c283a4ea57e92debde. Chain 2 (Bitcoin): anchored in block 960121 (2026-07-29T15:22:21Z), 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/DEW871909193.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9ba82e165a9697f123d71dfccd173dd7fd7223cb6caac90ee8336499b131a85d. 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/DEW871909194.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb403bc6a2044c36210f5721beae11a9928ebecb6a862c1c87e41ee74b9953f5f. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/DERV42400140.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8b052d22cb606ca35ad9b64a03143c1e882c2c6a002f28bb6b18f80482b9ed8f. Chain 2 (Bitcoin): anchored in block 960376 (2026-07-31T09:09:19Z), 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/DERV42400139.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x16e56d28bb639ffe43599c725ee65c2ce63e764acc8f3f24b28cbda7307f5161. 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/DERV42400141.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc6cac1e9b5745b04d81d205d8215a296dba3e9365a7627eaf8c16d82cfd10e3a. Chain 2 (Bitcoin): anchored in block 960500 (2026-08-01T03:13:03Z), 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/DERV42400142.
Mitsubishi Buschmann (Dimitri [Gr] Remix)
Mitsubishi Buschmann - Dimitri Gr Remix Extended
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeec74b12d0e12726b44cc6400fdedc137c99f93589e7ad9b28b91c825a585e3b. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/DERV42400129.