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 0x7e47970ec39809c64bdda12369dca9cdaa8e1d771b537ad5f938ae11eb849291. 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/ccc3b3cd-529f-4288-9bec-a04d704d2e8e.json and https://artists.proofprofile.net/proofs/artist/ccc3b3cd-529f-4288-9bec-a04d704d2e8e.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 0x8e61068004323dee34896af0e637a2f54199c86c70bd274f1154f24d45ea7be6. Chain 2 (Bitcoin): anchored in block 958083 (2026-07-15T01:50:31Z), 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/CH7812229873.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdb012c29e99e8a3f15fc120db22c9f69ac8c3962124bf0d4813b3c2fa2b18e91. 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/CH7812229874.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1495cb111f7de40a3ba481e3a3b5ddff82f9a774732bf3a0d497c434db4ce1ae. Chain 2 (Bitcoin): anchored in block 958746 (2026-07-19T15:36:35Z), 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/CH7812229875.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdccf1043caa1f265520f1a885f2077dbed23f5a33a47043dd1d3a4836e120c23. Chain 2 (Bitcoin): anchored in block 958969 (2026-07-21T04:58:13Z), 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/CH7812229877.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x290b354855629f2a886da991be458fc15ada0252b8b833e3f9a1e4468cf6d4b5. Chain 2 (Bitcoin): anchored in block 958943 (2026-07-21T00:27:37Z), 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/CH7812229878.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x293434d0680ef582269be0c07a87d16cde60e1982598c504f977a879ba5c2c3a. Chain 2 (Bitcoin): anchored in block 958733 (2026-07-19T12:51:21Z), 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/CH7812228350.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe4c5db0b2c45f9e397b11c1d461051b7a26ef30ac56ee50be531bfab185b1f25. Chain 2 (Bitcoin): anchored in block 959043 (2026-07-21T21:07:15Z), 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/CH7812228351.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x30104b85718e6aa207f5ad44c65421163e2a144d780b155c48b9a1fc6d394fdd. Chain 2 (Bitcoin): anchored in block 958842 (2026-07-20T07:48:27Z), 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/CH7812228355.
Ich habe eine Stadt im Nirgendwo entdeckt
Das dunkle Geheimnis des Hollywood Zeichens
Reise niemals in die Stadt mit der Postleitzahl 33333
Ich habe einen Tunnel in meinem Keller entdeckt
Jemand hat mir 10.000 für einen Schulausflug bezahlt
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x739360a8abe205996abea0d9a9cfcd1dc3d1261d4dc9d930f0da29160ed7b16c. Chain 2 (Bitcoin): anchored in block 958355 (2026-07-17T03:11:50Z), 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/CH7812235802.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5f0a66819f25c39bb72e3207d7b50ca5b21eda1faad961c6b19132304f09932f. 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/CH7812235803.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd73fe8a1795f7389da3a1a0bac7fdd25c2e3376d105366f22ea2292f21c271af. Chain 2 (Bitcoin): anchored in block 956841 (2026-07-05T22:14:35Z), 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/CH7812235804.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8159cbc187b81709913c9cafa98816c4b27892aa117b28588cf67378a9a659d3. 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/CH7812235805.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5cd8905c2b5790476b6020d784da26c1454d096fc631fa180ccccec764a113e6. Chain 2 (Bitcoin): anchored in block 958607 (2026-07-18T21:01:11Z), 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/CH7812235806.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x652aa27872b445b8a86edabb8fc9b0023c168d80133903e1a14300284339f2d4. Chain 2 (Bitcoin): anchored in block 959088 (2026-07-22T04:27:36Z), 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/CH7812235809.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x150463ecad532f8f2b91fb7c0bf358d8678b41854e46fed48bd0b5e17463bf69. 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/CH7812235810.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x563a35d396401fc4d6af80ec5e8f8659b45f2513318476e21d233c977424e131. Chain 2 (Bitcoin): anchored in block 959047 (2026-07-21T19:17:28Z), 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/CH7812239812.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7de0c9f7ac1ba7df140d232818630b62ebe4f4fe09738e26b1aba57b65960bd1. Chain 2 (Bitcoin): anchored in block 959031 (2026-07-21T19:07:16Z), 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/CH7812239813.