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 0x29fcc8746b11d51de1f61cf6d41299d7f2186af47ff0e57af6408b75b255d2cf. 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/8271cbda-91ad-4a33-a4ad-947cbfe9b3f2.json and https://artists.proofprofile.net/proofs/artist/8271cbda-91ad-4a33-a4ad-947cbfe9b3f2.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 0xae5d525c85d0662852ff673c91fd478c212438084988b96bf933ecdb530ff21e. 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/USL4R0782891.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x43e81e828ff9bfd7fb464e693c353559f0f6d5cbe3a8e9fd1ab3ccc0a66650f8. 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/USL4R0739094.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0662409e512da0170e6a42278d42f73ec7b556833efba8d5cf359b6320b1700b. Chain 2 (Bitcoin): anchored in block 958722 (2026-07-19T11:03:50Z), 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/USL4R0739097.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x726b5737afe333b88faebaa825e211e311abe3f11b29431320064397b4afa737. 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/USL4R0782670.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe6b4b37573ace160487f46b7077cb16d2f909d9948f0fa21b63a49527ad9f46e. Chain 2 (Bitcoin): anchored in block 958765 (2026-07-19T20:55:05Z), 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/USL4R0782671.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x21799a58562e8821a496fc483cdcbe7a881cd149a98ba65d6e861802732ea0cb. 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/USL4R0782672.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xefb06f1c27ab09ba346a6c45b36e3c552c9b26dbbee66ba80643addbcb23f1e8. Chain 2 (Bitcoin): anchored in block 957668 (2026-07-12T06:54:37Z), 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/USL4R0782678.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfd227970e219b6f6602c037cd90fd9e7ad1209f359cd134d42b309bcfc12446b. 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/USY280723065.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xff2eb41adf6cb63c013464166c61c49acb690a10683f41afe4e7e183222ddf88. 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/USY280723067.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5c4f7841d46e95d933beb6e881cdc0d78e4f307d9be706078e757a5d8805582a. 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/USY280723070.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfbf7d0795973e8b159df104508a1fefa07fe9021ffec87f9dc346285b2ff16a1. Chain 2 (Bitcoin): anchored in block 958931 (2026-07-20T21:15:01Z), 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/USY280723071.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa0137a96f0505fadae8a41d7b96223f93f65d193377245fd177a2c1003035a84. 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/USY280723072.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc10dad626e57908f9720341349f3e832f20bbd1139fc960c6d7d83d764bf2cf0. Chain 2 (Bitcoin): anchored in block 957671 (2026-07-12T07:35:31Z), 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/USY280723073.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf25094d228848ab58fdedb7acbc9b34fe75309cb2b6f8df7dde554c3482e744f. Chain 2 (Bitcoin): anchored in block 958761 (2026-07-19T20:47:21Z), 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/USY280723074.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0164deaeb1cc140470b5e4b4be5a26c179405d68629d028c8a8646276d61a033. Chain 2 (Bitcoin): anchored in block 958115 (2026-07-15T07:27:09Z), 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/USY280723077.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x27d828875ef10902457c3528e657ed95ea2176bb60972bafcfbb585fdbd8c58e. Chain 2 (Bitcoin): anchored in block 958335 (2026-07-16T22:37:47Z), 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/USHM90786602.
The Priesthood is Restored/A Young Man Prepared
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf2954acd9643eae6521786cb340ed73444f3d55127d9de41d2231acccd3b8239. Chain 2 (Bitcoin): anchored in block 958447 (2026-07-17T19:47:19Z), 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/USHM90786605.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcf6462f47390db502bae0ea8b9d4f38296db13ea4030235b6468914ea8f5b00b. Chain 2 (Bitcoin): anchored in block 957671 (2026-07-12T07:35:31Z), 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/USHM90786609.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb5dbf0c1cada7ff3a57e8fe1fb25d6e00edd18c894077a8c96d2127f0e725b1c. 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/USHM90786610.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1e7c333b4d041a485aa6a45d640b4d98b9a2621dafce9e612568069f6e7f27f4. Chain 2 (Bitcoin): anchored in block 958708 (2026-07-19T09:08:25Z), 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/USHM90786613.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe6b600dcd33049ee087a9b48eebe086799c27169cb3c772369dc0f21828711d7. 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/USHM90786614.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2e94cba8a46fc2978150bbd3560dc8d577cdecffa489f3b757b76d8c01cd93a6. Chain 2 (Bitcoin): anchored in block 958166 (2026-07-15T17:53:30Z), 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/USHM90786615.