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 0xb069a7809534636df877d1f0074fd75cf04a8e97ec37f0e1dff334fac34b519f. 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/b72f44b3-df62-45b8-8c5a-9498f298b9ba.json and https://artists.proofprofile.net/proofs/artist/b72f44b3-df62-45b8-8c5a-9498f298b9ba.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 0x3e0104a5fc93456086056a81949d2d443086aed645267faf5f1ca9c26866cf82. Chain 2 (Bitcoin): anchored in block 958369 (2026-07-17T08:02:44Z), 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/ITO101055679.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xff40a11acd9f6f5b6e3c7e352e939758c64aeeb2602ac4b79a021d5d77407933. Chain 2 (Bitcoin): anchored in block 958461 (2026-07-17T23:18:11Z), 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/ITO101055680.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x63e003d242d4283e8df043c43bdd611e97922cc3ab3d97185897ea8a2b06cca6. 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/ITO101055681.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd72e9227d04aabf0bf8d8607b3adf7c47e660f7a41b66814d4df214a6a9e6d85. Chain 2 (Bitcoin): anchored in block 958234 (2026-07-16T03:46:09Z), 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/ITO101055682.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x950d1c4290886a4295d3b7ebaec78eaa08198ce81baf3ecb53a170598b845559. Chain 2 (Bitcoin): anchored in block 956551 (2026-07-03T21:18:05Z), 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/ITO101055684.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb4176fb502320bf476b8e88cc69959e66dc6bd51b26b5c72471efcc26f644c77. Chain 2 (Bitcoin): anchored in block 958996 (2026-07-21T12:34:27Z), 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/ITO101055686.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0b110b416a595924f1a7d27c81f36b0cde60c71ea77188a1d8b48ce0d6f087a6. 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/ITO101055687.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x28f14cdfadc455d32e73fc6b76ffe346b503e355c3a5eb1d84ba2f3d0b1a6c05. Chain 2 (Bitcoin): anchored in block 956776 (2026-07-05T10:59:37Z), 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/ITO101055688.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9b63ed93c46f4b5ae406e900b584d58c641b6442b3ab7e3c78c46e42b322e7e1. Chain 2 (Bitcoin): anchored in block 958891 (2026-07-20T16:19:04Z), 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/ITO101055694.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb17122da647a52771bc89fa153bc7bb6eb919868464c2aee9d259811a061c2c1. 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/ITO101055701.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf2c30da86192ddca89cfc4cc8292be8d91a26fc7d5da8db571d0af4ce834a807. 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/ITO101055710.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x33c1805036e816c6dc20763dfc762317efd71d1e78ae215fb80478fd1ec36c6b. 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/ITO101055711.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9d14b5e906ca4f223dcdd5baa8c41fda73a4cc18813a9403861d31ae2f1bbe00. 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/ITO101055717.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x43fa4656259f06597b38c6793b606651d2464407d67ed740c566f8477098e5cc. Chain 2 (Bitcoin): anchored in block 958639 (2026-07-19T01:18:30Z), 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/ITO101055718.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1f0f4f9c933604c08f8e38b22ed84b726ebe64efc2712c0a7ba7bf5c4dd1f57e. 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/ITO101055719.
The sprightly widow for Tranquil Healing
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9e922571b0781c297c1c696cc2427dc02ab99caa1d1f8fa74b4f4949a19f3f50. 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/ITO101055720.
Kewbaira faist for Relaxation and Meditation
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3d201057c0681fa90a56977da0991831ed24875139b5035cd4299c741c4a9cdb. 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/ITO101055722.
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