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 0x5bd689c4a870a9657496a4c0a8bc2409866f3ae9e0293294b7c50dea7329ee8f. 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/7718532d-a2bf-4012-b82f-eb55de72adbd.json and https://artists.proofprofile.net/proofs/artist/7718532d-a2bf-4012-b82f-eb55de72adbd.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 → 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 0xe2199c199bb5a1554579c176fcba62d77b65c56bb368cd2dbb8c8f8f239abe0c. Chain 2 (Bitcoin): anchored in block 957726 (2026-07-12T16:04:28Z), 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/TCABQ1312094.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeaff8396085fae63e119aaea502475564e89ff4ac9733f6fdd09f130c34e2653. Chain 2 (Bitcoin): anchored in block 956402 (2026-07-17T03:32:53Z), 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/TCABQ1312095.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd05adc46f053d9c65c28af7a2e496fcee7d66cb86b7f585bc8d3f7ad967bd7af. 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/TCAAT1008605.
Aquarium Drunkard’s Lagniappe Session 2011
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc58808612ac5d537b77abd85584995178f52b751b91598df04601b03d2b7e837. Chain 2 (Bitcoin): anchored in block 956476 (2026-07-03T09:04:44Z), 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/USJ5G1408605.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x41e74dea71b6db294920e90a37e68c6b9d722af555039ee5414be068c152f8de. Chain 2 (Bitcoin): anchored in block 956440 (2026-07-03T04:03:57Z), 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/USJ5G1408607.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf0111d05cb7e616d47a1472a557b8785dea0a216f6398db9b7ebb614770410ca. 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/USJ5G1408610.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9ad4edd2fcd30d15befb196dca8d50e96568fa208985b80b7abe3581062a57dd. 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/USJ5G1711701.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb395ebd2bcb83c24360c728e3f57bd286adb2391c0da220f31ddf520b5e44caf. Chain 2 (Bitcoin): anchored in block 957723 (2026-07-12T15:34:17Z), 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/USJ5G1711702.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc2415f22af48acf4c84c203f2b442b054bbed454da02b84c50519663e7da1c41. 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/USJ5G1815102.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5580707e093f7341d7002d29d995aca3320dab1b0d6cc815c42d7b199c74f537. Chain 2 (Bitcoin): anchored in block 958484 (2026-07-18T03:34:53Z), 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/USJ5G1817104.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf7369668292224dc2f3b6530c4eee90519738e2f57b53f1bea4b06222eeb5a0b. 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/USJ5G1817105.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x39ee984560d6c6b8b6a04aa2de472f9ab01ac37ce35dd1f2bc7008aa576d96f4. 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/USJ5G1817106.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x23cd274a903ff7e44cac68251c7db673d259eca818cf4768b1cba8c340be521b. 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/USJ5G1817109.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdd18b321d037a617d4129ed4eb6215d04591a4ea239c54ee2a679c5ee1ce214c. Chain 2 (Bitcoin): anchored in block 958256 (2026-07-16T07:22:18Z), 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/USJ5G1817110.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa20dc9a7311fffa435d38a88dacf5673f0d5ae0c9422bccb12506dbe336bea3b. Chain 2 (Bitcoin): anchored in block 957728 (2026-07-12T16:20:40Z), 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/QMFMF2026502.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x291d425ef8bca73f4572c71c22410d0194b8fd2f3e1d4afd5061961a96558b39. Chain 2 (Bitcoin): anchored in block 956476 (2026-07-03T09:04:44Z), 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/QMFMF2026503.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x19a1eca0aa0df8db4baedcb105a82fbd71c332863d9b87eaab3b82d3ab3a5284. 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/QMFMF2026504.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x90f962341a75be73b26f655e22422f472ab9b7fc79adf5d5a3b51d1e0f62ba22. Chain 2 (Bitcoin): anchored in block 958397 (2026-07-17T10:29:45Z), 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/QMFMF2026506.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x20e1f362f41bad3fdeed07ef9b79a51d4b32eb8e32f809b058badbc1a6c3f3c2. 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/QMFMF2026508.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x85c48236150986170b899de4d49a39d9f29b2cbae923ecb7282e599f4029a8bb. 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/QMFMF2026509.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7d3d1b53d5f1501942af9d20976969bcea3c7eff18b4e670597d486b0cd51652. Chain 2 (Bitcoin): anchored in block 956476 (2026-07-03T09:04:44Z), 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/QMFMF2026511.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfc0ee2f1cbd069a08066500120d2a7afb93b48574ab6a9c75441837f338758b4. Chain 2 (Bitcoin): anchored in block 956440 (2026-07-03T04:03:57Z), 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/QMDA62165459.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfc0ee2f1cbd069a08066500120d2a7afb93b48574ab6a9c75441837f338758b4. 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/QMDA62165459.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1d252cab81a470d50a3d2b943bf01f00439f92ab6fffe232d388ee97db70640c. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/US78L2426701.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4a5c6d5cce8a6c3914dbe66443c67de3d48cbb9228be23497abce1159626e2cf. 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/US78L2426704.