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 0x5daf961e3efdb4a4257f5e37b35545631ee43874aac4afec512f1b4a7ad3cab2. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/d9d761ed-e2bd-41f7-a785-524ed7461275.json and https://artists.proofprofile.net/proofs/artist/d9d761ed-e2bd-41f7-a785-524ed7461275.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 0xd1db4b0a4e85ba5533aadea661ad3f93384619f589d841441e7e8b68d5e9bc5e. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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/AUMEV2439032.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf89c3872898077eb7c48d5b78919d1d63b3fdd1c58b8f34ad833c14edcb69fb3. Chain 2 (Bitcoin): anchored in block 958228 (2026-07-16T05:29:25Z), 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/AUMEV2439035.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x50a31bf9bfd95941d99f96dc9f5dd1e45cf849026f2efa0317d156581d442772. Chain 2 (Bitcoin): anchored in block 958194 (2026-07-15T23:00:40Z), 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/AUMEV2439038.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0d4755b4c46ee0df56317d12c335d92d9b7f6a3d8589737a825ff46259aafc4d. Chain 2 (Bitcoin): anchored in block 958325 (2026-07-16T23:46:09Z), 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/AUMEV2439040.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc094c6c360f42a5e88ff024bdb99c4d5f0ca304f87b69e84b5f06d24a51ff330. 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/AUMEV2439043.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0bd8afec4aa82fde1d49e9f540046507638c1a7b05f4fa4c0a099f4bfd891ad7. 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/AUMEV2439044.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3bd242416c93d3b22d2693c16897ee0a5d6a9c58e1a4f7a660a72abeccd35dda. Chain 2 (Bitcoin): anchored in block 958146 (2026-07-15T10:33:22Z), 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/AUMEV2439048.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x06c90b1f0330e25bf697de78a7d3582717c489431bf24293862fe06b6d12295b. Chain 2 (Bitcoin): anchored in block 958286 (2026-07-16T12:43:37Z), 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/AUMEV2439049.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0841b374982f11719528669b06075d918ac86da8015ad80573d600ef012bf2c9. Chain 2 (Bitcoin): anchored in block 958383 (2026-07-17T08:20:01Z), 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/AUMEV2439050.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x44a71e96867b2b286fb797853b277da7b9a645fe54a4b0b24a5d8c282752f65d. Chain 2 (Bitcoin): anchored in block 958324 (2026-07-16T23:00:44Z), 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/AUMEV2439051.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x68c734f9024b4f4592da2bd84dda466e0db458d7e03155a6c3e6ba19eccc77e1. Chain 2 (Bitcoin): anchored in block 957834 (2026-07-13T09:42:16Z), 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/AUMEV2439052.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5c382f7e0095f906a450d069a4305cad30af13aa0259a3737da3d4f876718eca. 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/AUMEV2439053.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2235e09b295f68cc73516e4833d67bac2ab0acef7b29a164617bf917fe7f1d16. Chain 2 (Bitcoin): anchored in block 958462 (2026-07-17T23:17:53Z), 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/AUMEV2439054.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x23ad7576177c158ef02b065e59b048f86c61b36a66b69205ba51bad89ffa6446. Chain 2 (Bitcoin): anchored in block 956560 (2026-07-03T23:28:02Z), 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/AUMEV2439056.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x79d545af67b8bd002aa8b7e7eeee7589e6952c519cef91c903dbf2b2241e873d. Chain 2 (Bitcoin): anchored in block 958468 (2026-07-18T00:27:51Z), 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/AUMEV2439058.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc684ae970147e2eda81aaa15e01c59da79fa646c486832b08e19a20c324c05fd. Chain 2 (Bitcoin): anchored in block 958380 (2026-07-17T07:07:02Z), 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/AUMEV2439059.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x191e83acdcb625aa649ef7a2fd50feaee9338fc89b2fef829ed9ef89244451b6. 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/AUMEV2441351.
Bowerstone Market Theme (From "Fable 2")
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x474567dcc409fdb137e3f35b4c6ff895bff993371c33d014b1bacc0995f60006. Chain 2 (Bitcoin): anchored in block 958428 (2026-07-17T15:15:14Z), 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/AUMEV2441355.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa352974770237561977ef33b2c3af2e7848fe958f31bf119c66a7f3a33e65312. Chain 2 (Bitcoin): anchored in block 958612 (2026-07-18T21:29:37Z), 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/AUMEV2441362.