1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → block must exist at that height 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 0xcb9d05cee11c29e7a03a25b59c3d81526ae755d941de2114a27042fbf6604dae. Chain 2 (Bitcoin): anchored in block 953803 (2026-06-15T15:41:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/e9235c6b-042d-417b-a177-3b10faecae52.json and https://artists.proofprofile.net/proofs/artist/e9235c6b-042d-417b-a177-3b10faecae52.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
La de los ojos negros, Mi yaquesita, Por cuanto me lo das
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 → block OTSBitcoinBlock must exist at that height 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 0xbc699285f3eda2b1adb71f27dba66dc9d7a3befa1dac28794afcad3d878ee3af. 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/QZMZ92304734.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc2e75a69dae40b8b3a44c0a1995b05e529b2336b3f27a3d1fc3b5b08479cee92. 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/QZW9M2285048.
Julia, Sabroso Guarare, El Pajaro Cardenal
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x88bf99019a38e51f71a453340a8b4e30f7a5d9b2bddfee7aeca3dfec444fdc3b. 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/QZW9M2285050.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9869e02307d6aa89041afd9377724af33bff137a42a51e4f595d3c0998d7334b. 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/QZW9M2285053.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2ea5a69b85aa37463cd539aea7c0f7accddc4969d69d2d8af7eb85088dfa265c. 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/QZW9M2285056.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5afcf3edf18f646a55f674a9b70ac6825b9f94b664a3fc02fdccf3e66c71ff74. 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/QZW9L2286605.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5fd1eab50eaaba98fd53f5edee0bf5a69ae280e143dd76e5aa5495af832cf441. 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/QZW9L2286610.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x917cea283847bb8cd3d34bfb75bfbf8c51b5ad41f663dd822f509d566fc60b3a. 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/QZW9L2294406.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x52f9e4851796faccfb2f6a1dbdb1349a3c6eabf0029b015f5466e3d13f3740e3. 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/QZW9L2286509.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x794d33b37d94d1874147373048a15c0a240f19e84556b55e2ea8fd48c1a6db25. 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/QZW9L2286513.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc7c1a2026a3aa8f43a76281a8fdfc72d2a3321985e7f0e4d0f3ecf34e77d21fb. 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/QZNJX2269914.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x65ef6ee4beb101ec9a3b11efa2a6d063e42ade2bf90d8b5501441d36eed2db4f. 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/QZHZ42212966.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x26ba1ae0e1a73820af0479742b17c0f04edb2c5fffcaa545ed9efb474d75827c. 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/QZHZ42212967.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x13826b7d412ad733a39f7cd8ae489731ef7e5338203ef6352205a411f7a0404f. 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/QZHZ42212970.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x73ffc6736199167aa0576525bd6aee2358a1556781396d5406b085a995e69d34. 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/QZHZ42212972.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfac714a359e33770983c70efb0ba913f9e9f4c461f3aa4e4ee48bd2403b82190. 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/QZHZ42212973.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0bf1df44f184185db22a549021159a273ebde1c647ec8848c5d175d6901913e5. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), 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/QZHZ42212976.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x56aef29046efc091e7394809c58392ad89bb7b4c67a91b5a793f9be9a7aa27d3. 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/QZHZ42212979.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x52905f1b3bb84bc140d2ab289eff3e31ddc59b16198fbee181f4b0d25180d1b4. 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/QM6DC1569328.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfb68273a035bb742eb671687c4701ca002f2861c7102461e937ae1a1022f4d45. 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/QM6DC1569329.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf0a389082988e8a01078b54497550b659d3154ee126b7a20c11788caf31f9a6b. 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/QM6DC1569330.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5ef965b27ec0e91eaaef29a42a6a8eb49ac93ccbd50ec03b2169017fa8d1a13f. 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/QM6DC1569331.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd820cd89fa2429e3db2afaa4076525b50d053e370dcf12305bcdc707115bc7af. 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/QM6DC1569335.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf8201291625eea3977baba0ca7fe566c2925e684795cd84714b50d54411d8a06. 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/QM6DC1569337.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf2f02291b8c4014a27ddef8fe0e720cc87f55d4c0084164a38af4e06f3d0a6e5. 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/QM6DC1569339.