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 0xbdcbe9465e29e35ab41d2387cfaabfdcdf411c9248824ba036719e4aa6b7af33. 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/d2f3407a-39ac-4653-b3ca-afd0af995dee.json and https://artists.proofprofile.net/proofs/artist/d2f3407a-39ac-4653-b3ca-afd0af995dee.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 0x4545737a4ad21894f0ba0230d90274a02113da289f596af6b9212f338e35e889. Chain 2 (Bitcoin): anchored in block 958166 (2026-07-15T15:55:19Z), 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/DEH742416727.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe11747e4f197b9b8308169346b0b2726f6286ecff6be5723036e4e358edd224b. 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/DEH742416728.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc516497c0204125fba6f0e097138fd37f20f0379e9b0242d976554921a14cda0. 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/DEH742416730.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4225194ec78364f58cab2ce53aa06aeeb145d3bb9d22c63bd68f8e1ded79d77c. 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/DEH742416731.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8694bb36f15556f02f6f361886b0e9b3d2f463e632a80407536548b75b40de88. Chain 2 (Bitcoin): anchored in block 958224 (2026-07-16T02:28:43Z), 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/DEH742416735.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2d33831cbc3225113e29cb57041494b1c3b6f375e3cae6a4a0dd0506e3eefd04. 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/DEH742416737.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x87896854c720f78c319f0de85be3778bba43aef415b1e7b8f812eef5c6b0c2fe. Chain 2 (Bitcoin): anchored in block 957899 (2026-07-13T19:36:39Z), 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/DEH742432215.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xacac545b1b6e1735c21a7c084145ca550d5853f5a5744914f5417dad57d01682. 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/DEH742432216.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x615db113d1f5159dbcb5f4433d69418a276f918308df72d2aa6bf948917a635e. Chain 2 (Bitcoin): anchored in block 958152 (2026-07-15T12:00:27Z), 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/DEH742432217.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xde3645d07ae390b19b51024696afe68b3b6ba6410f999dcfecf578db24c496d7. 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/DEH742432219.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x73706e8787a9bad2faff17ac95b374eb0b3f3173edb53a011914a7d09b6cce69. Chain 2 (Bitcoin): anchored in block 958203 (2026-07-15T23:11:18Z), 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/DEH742432221.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa64a931b497fd175863c2e1e2c5b3b81c91110431fae83835cbf08d9d6262a43. 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/DEH742432222.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e20844d9f81dad3bb168ee555644c10843dfff0cff1be3f8da499cb2c96a68d. 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/DEH742432223.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8038828121438efe2ed2026f1e1bd8b5089e5dee69ddbdd87a7781525414b998. 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/DEH742432224.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3d8ea574b5070b8a18ce6886ea76b1c1600ec0e52ad6a2951ce684d697404abf. 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/DEH742432225.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x93d1d271d9bd3ff61c6fb49bc135c9506a13ff66bc20d439a42e9e9d5b9c12be. 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/DEH742432226.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x26883ade30a1c0388781a06e523c84ef5e836ed4f97808d16e274e207f374c29. Chain 2 (Bitcoin): anchored in block 957965 (2026-07-14T07:07:52Z), 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/DEH742432227.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0561870733d1317beb20e2ac31454083cbf5b4c5917794203a685861fb9df9e9. Chain 2 (Bitcoin): anchored in block 958802 (2026-07-20T01:04:02Z), 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/DEH742432232.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x702788f66123373f689fab4595016a6a0e74327c1f9c5f36326ef17c8fa9a232. 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/DEH742437448.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x22d4f732e9fb5f328527ce642feb13da1c3278582f03cbe7a47c2b8a81403f9f. Chain 2 (Bitcoin): anchored in block 958489 (2026-07-18T04:13:26Z), 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/DEH742437449.
Through Gloom and Bliss - Nostalgia Edit
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2ecc46dcde490fbc2a73c4b71c63d289acaa7aeed66b9c48db51cfe1398e8061. Chain 2 (Bitcoin): anchored in block 958238 (2026-07-16T04:30:31Z), 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/DEH742502377.