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 0xa61fd885c852d1d4e3fcacd369f3592a6b1dbb2f4b8f2d6893dcf4d11afb4c76. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/a146e1c4-c89d-436e-9920-b3fccf9f0ae3.json and https://artists.proofprofile.net/proofs/artist/a146e1c4-c89d-436e-9920-b3fccf9f0ae3.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
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Make My Heart Your Dwelling Place / Breathe On Me Holy One / Lord You Are More Precious / We Exhalt Thee
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 0xe2ab244117a43cc8b501b857178caaaae3b4f9c710b7025c0ece32ccb689a9d0. 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/GBKPL1356281.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1e42817ff050701c252066a38925430031caf466f1083d7f7046afa08e6f61c9. 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/GBKPL1372285.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd92ad55589aaa7baa59dc83535eefebc1f14eb20c7634196c604cb25999665b8. Chain 2 (Bitcoin): anchored in block 958316 (2026-07-16T21:57:04Z), 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/GBKPL1372290.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcc3811b0d0eeb5f37f137e65cff085144e3812213eab1983916a6530211bb39c. Chain 2 (Bitcoin): anchored in block 958110 (2026-07-15T06:57:12Z), 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/GBKPL1372236.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe6b5640707bb62f8fea5b5058c9c2fb6f9965fbcb8d42964e97ce7d42ee4b577. Chain 2 (Bitcoin): anchored in block 957754 (2026-07-12T21:26:22Z), 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/GBKPL1372243.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8565a0e10fd4732cb0fc771ef7f49dbdfd1a177aeed487ebbb5c6086f1bd9acc. 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/GBKPL1372325.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc14875a7dacc9bc68e1e6891e1e45d81eb9c9007b96c9c743ee3f35c0bd55504. Chain 2 (Bitcoin): anchored in block 958796 (2026-07-20T02:18:34Z), 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/GBKPL1372326.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x33839366cc939fe43e20066635cd045a4c65fa8a7e83902228cbb002abb6f53f. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/GBKPL1372327.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x09621044f65e73a1bcb7e7ca39b7b46a4e37259ea1fbe41307c43cc7ce3be628. 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/GBKPL1372329.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4727b3d9e639f4fe57a69489e8c041696d84bf5dd8cbd20262cebcf9a7cb0061. Chain 2 (Bitcoin): anchored in block 958601 (2026-07-18T19:27:02Z), 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/GBKPL1372330.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc2a057b02175e65b624e8258e0406c3252161071f0008cf3b2019a147f416d23. Chain 2 (Bitcoin): anchored in block 958951 (2026-07-21T04:45:05Z), 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/GBKPL1372332.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd1155eb0de54cd63176f73670886539098a8855d7f949e8ee2b423264fafbf9f. Chain 2 (Bitcoin): anchored in block 958228 (2026-07-16T02:46:47Z), 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/GBKPL1372334.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x70982fcd8295d285718a9f7645cb0b020a31f4e39606703660f7ddedf9d5e4f4. Chain 2 (Bitcoin): anchored in block 958316 (2026-07-16T19:42:29Z), 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/GBKPL1371564.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6cd0fad2522f9302a82e1cfd9315cd5c3298c99f19ac7567ab46b0fbbfff46b7. Chain 2 (Bitcoin): anchored in block 958357 (2026-07-17T03:33:42Z), 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/GBKPL1371566.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd91215957eeb79ae17482c95c89cd793c473cd7642276273c429567c3bcdc67a. 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/GBKPL1371768.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x22fed693e9c5c2e8b411500d77c00aca3ef1354285947d7e6efc3f7b978f0968. 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/GBKPL1371575.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8c850ef3c9cc782145f2b39ec41d86fefd22840dfceee037229a2cdfff4d06c6. 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/GBKPL1371582.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0657c2b7b7405e9635828e8a81d4b43842a3701412f3723ecdeef19423c69c95. Chain 2 (Bitcoin): anchored in block 958690 (2026-07-19T07:14:39Z), 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/GBKPL1371585.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1e4df5bed8c9b5effd70815e94ac6b0dd6fd3ac3c0587b7de74116f995613c46. Chain 2 (Bitcoin): anchored in block 956576 (2026-07-04T02:06:47Z), 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/GBKPL1371804.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9861b35996968a39da540d86df8d4012deeb8f1746019918ff266390f8d64662. 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/GBKPL1371762.