Catalina may refer to: Arts and media The Catalina, a 2012 American reality television show Catalina (novel), a 1948 novel by W. Somerset Maugham Catalina (My Name Is Earl), a character from the
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 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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9d6ba74ae46df04b13e3e642208d276c2dd2b4c8fc38d225b479d156992e8bef. Chain 2 (Bitcoin): anchored in block 953768 (2026-06-15T09:30:06Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/c14c71f2-24c4-4f91-b1df-1e8f95c693f5.json and https://artists.proofprofile.net/proofs/artist/c14c71f2-24c4-4f91-b1df-1e8f95c693f5.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 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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7a059a1964e0ea217aef667a3b8d8d82f0900c0323b5c9b7cbcbd5a493b19aec. 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/QZHN51904236.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x10853bcf2020a8e65f308fec522aa8cf0f8cdc23be2e1538f30b89f4f2ab407d. 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/QZHN51904243.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd3973da40244f184a1b6ca4b60bd5a285f48b10709c1c472f4c8c295d07fe2cc. Chain 2 (Bitcoin): anchored in block 960302 (2026-07-30T20:09:33Z), 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/USANG2416034.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x643a0b84da4cc2e521f9d5d02554dbdbc17140b486b0089efaca2bc7e41bc603. Chain 2 (Bitcoin): anchored in block 960481 (2026-07-31T23:51:35Z), 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/AR8TN2400057.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x570dcf083bde9e6d5e2586f0805e829d1ad6f8292183b2790c4c5be9c749039a. 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/US3DF2444441.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc59c3c97337fd38672b392517cf7a699a6e72b166037f465449a9d1ada5a048b. 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/QZGLS2304590.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6f3b9f90cab731a584d0bea9e471be0abc3f58015a44b2325c1404175c7979eb. 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/USANG2242539.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb74db81f92d291a1a8b09dbb678aa60af9c2b2ba950dbca5067544a6c59bec0f. 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/QM3DF2170889.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2dbadbdeee602169765a7707aab7558698ed3c90c47fb75ee0733ef30dcaead5. 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/US3DF2191452.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6ac8cde982ec3e1aa5997a64e0f6f3c5c59b22a3f4afcba02d43c3c67037590f. 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/QM3DF2200382.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc3bcbd6d68d57043b80b895e2aaf967170373d6dcb28df1ae3e3cca3162df404. 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/QM3DF2200383.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x095aa4220e8a4ee68182880c3e2b601c1af343ae1074155e112893191ed9d82e. 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/QM3DF2200385.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x485f4116dabc9a94258d59b332008528ee622db1b22512d51b0cf826fc5da4b9. 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/QM3DF2200386.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaf0f4de49e40534a3f98895a6aff2371c524f4df496804f2b9e9b48ef6faec6e. 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/QM3DF2200387.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2a361aafc884bce24a8f764466ee14e9fec922e087f4e17356462ce25a84d1b0. 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/QM3DF2200388.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x44a3490954354241f4f1f2fe1126c0c74e78119964fdf6b10f3a04e9a683d2be. 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/QM3DF2200389.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbd6b2d2bc4170866bfb9fbc3e689bba811ea66cc71dde568dec24193a5dd84ff. 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/QM3DF2200390.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6b44dced567c98f1eedb5bfd62aa3ad369e0bd23379abcd8628e4981486f1cd8. 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/USL4Q2050918.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc1d5a7ad11a03e0e6a2124e7a8f7a756c28fff501a1f27db23befda018135577. Chain 2 (Bitcoin): anchored in block 960473 (2026-07-31T22:27:44Z), 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/QZK6K2037080.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5781549e4e3c9463726155dda3d4c39e285096af66b88459ac66b8512edd8d6b. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), 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/QZK6K2037079.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x86fbecfe2164ab8a3f5ccc76e35518cbed0fbc95c28d603578fe60ed478874b3. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/QZK6K2037081.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xca295349aea391583472094a59035e038ea33583d37e2b860db4b89f17176458. 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/ARHXW2302633.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf746f18cce70ce0b74f0a29684838d155015e3b315bd247b6aafbc9f2e45d6c4. 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/ARHXW2302637.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x300fa455a14434137280d5c284d57bcf1ba7f1ceb04228e7af8b6c2190b5e5b1. Chain 2 (Bitcoin): anchored in block 960513 (2026-08-01T04:52:22Z), 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/ARHXW2302639.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3dfc1e426d765a68b1d76da080c15bfec621b11566de06a910d818a2607584c7. 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/AR8TN2400243.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x643a0b84da4cc2e521f9d5d02554dbdbc17140b486b0089efaca2bc7e41bc603. 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/AR8TN2400057.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x95dfb4cb3fdc4223d70644195a9d1d8a1b83ee6fb8594f682e5609355693e768. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/AR8TN2400244.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0978e9255234cd644e2317d6f3bc617507a962b9c246bd01dd490e023bc96888. Chain 2 (Bitcoin): anchored in block 960175 (2026-07-30T00:16:15Z), 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/AR8TN2400245.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x750cb1e40e674e0dd39e88a0705d4d27a946a71c1b28d3c39f1daa55055cd099. Chain 2 (Bitcoin): anchored in block 960321 (2026-07-30T22:27:30Z), 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/AR8TN2400103.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2b2ff35f21e91bab281cd53aaa5690eb4a7b1a53ba11e9298a01161adddd1998. 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/AR8TN2400246.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1050930f032f6f3a96ba4d1a77109e0b701b17b11c7a7628a8db4213b073daba. 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/AR8TN2400247.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3838f61b524f75b9e3fae17f9928879e40e2790e756bf9b6eb631745e2713960. 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/AR8TN2400248.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5ce73d8ae58520880616f2fec18f21e5298580e87f461df2feeceedbbe818a48. 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/AR8TN2400249.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x063e79036dddca07c697628ccc3f0e3812b5ee58e157674f10e8013e159b67d8. 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/SEYOK2505066.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc8e8dc9ecd4185362a505bd84c9ddf42327cb464c2e604baaa6baf0cb1925b1b. 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/SEYOK2505070.