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 0x4db79f13692b4d04978170e849add7b7bb34576b9ebe925c7d3959f28fccae08. 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/4e372234-2831-4ae2-aa58-2cf387ce44a4.json and https://artists.proofprofile.net/proofs/artist/4e372234-2831-4ae2-aa58-2cf387ce44a4.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 0x48f8a7bfec9d360b7b617789e684372ec6be2f630acf1f78c963f743f842260d. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/USSH50500064.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x437e004da0e6a1c1af9ebe64a6bdd721bb742b2bfbc395a57c212c84b67c698a. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), 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/USSH50500065.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xccfe4e127ca5dffc05aef6bd59508f45584a36f9c288d3659c2eedf14994b36b. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/USSH50500066.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7dfa3db22c3bba676f82e2f11a54a93add9eb24a170d9411f1108f57e8e08d98. Chain 2 (Bitcoin): anchored in block 957050 (2026-07-07T14:41:13Z), 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/USSH50500067.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbed3e91ef64069f8e7d4070b4e138196d02b88d1adbbfa8da0ba99dd2e922d41. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/USSH50500068.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb2c33abdc40606aba2f78eac112c2424c4b2ad8267be4f91582fa8076eaa9b8f. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/USSH50500069.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x31407301ab2819672679f688aa456f2dbbd9b093aa76c2c19228a15ffd9f8d86. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/USSH50500070.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x44efb4a934549008c94b8617f524c9527c8a84497af66f6fc79f7e814b42088c. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/USSH50500071.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd5548d1f4d492274b17d675c3b74ba3c29f7b039f8cf3590e65f4b51e6477513. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/USSH50500073.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x37b0d7a3b76434c9c4c6fab1589f586c77c16d6f33854d423ef9a2911024c146. Chain 2 (Bitcoin): anchored in block 957073 (2026-07-07T18:39:05Z), 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/USSH50500074.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0d38f52fc9a82e74e91252f19d5e32b3c31b41cfd31264b11f263e53de026e64. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/USSH50500075.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x54074e3596bbea823b5243a1f1d9e41fb3b5682f38c8960bd6be67fad04d1912. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-16T13:59:24Z), 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/USSH50287349.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa81d31b6d8304a2b4e3d2efe6616edee6d29878357a803bd601d2d8fe21ff14b. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/USSH50287352.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x77b3f7daf2a661a7fb0e71f79deaa03882bc5fbd2fd9c058976c0c7988c60f25. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), 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/USSH50287353.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6b3910fbd3978fbe8b0aca4543e014622211c4ac721286232fd3758524334151. Chain 2 (Bitcoin): anchored in block 957039 (2026-07-07T12:58:18Z), 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/USSH50287354.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2e2cef7f5a7315c9d65e2f0e7defe470d4ca0a92af400f56ff4c49fa01daec6e. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/USSH50287355.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9f37921a10fc8062ff3632d7cb700aadc5c7fa7776204ce567f339ac36a6d301. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/USSH50287359.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc9e4b1c1593d60ef10685ba3ecf719820f8a80afe69eebd9f54bc6ef724db5a8. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/USSH50287360.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x67eb4e1f6ee080cc5194608dd49180ba9230e2819faee3f93ae3a414083e4996. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), 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/USSH50287361.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6776db80e065c4a62619a04e226fee1a2c8d2f818f02ccaadd4a8874677044de. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/USSH59843213.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3b8793adcdb8368a8d9e5bc040d6e576fdcd77072c9f6bcdf267d500bcca44bb. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/USSH59843214.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc12a17fdcaa60046648fed8b96adb8cfbb9ff3c006a53c8c6e57a4e51f964dc0. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/USSH59843216.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x613116a480ff7926601943c36cfd1655f7978b03c1a0c949f230b2e5d43df9aa. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/USSH59843217.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7f03e66da960a146292e4f15a2becf97b7a01fe76c298a3619c06715c1d11386. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/USSH59843218.
He Came From Carolina (A Tribute To Earl)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x656797abc4f7a51f14eb086d24816ff51f56536813469f097ee7e885c8d198bc. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/USSH59843219.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9d8ed51b68969412fdcbd7f10c4b6427c5462a3270fdf607a5a38608de4ae48c. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/USSH50286527.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeda1c0a45efac5a6ce1f17982f74513d381a4c66e1e994cae28f2145c61a8a6c. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/USSH59843221.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9b34c2b755de886bbbf2d052606f06af140157774435992fcf78af95f182dfd5. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/USSH59843223.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x27a1ff0cc088bdd6f18894319cda3b8e075ed5108cb0ce09c6d9f72f35b6ed53. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), 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/USSH59843224.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7e09203658b027715ff8cedb5ebfe4b476ddb8b6a33b4e1a740d62443291a27c. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/USSH59843225.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe082ae30b2abe7e227b99d9f8d0b7cf7298b67ed51379046f804c2ab3aba5d7e. Chain 2 (Bitcoin): anchored in block 959144 (2026-07-22T17:17:41Z), 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/USSH59843215.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa1cee821ec58d7ea9e2cff920aa5b7904d1c916da76f58ad898bb88054bacee4. Chain 2 (Bitcoin): anchored in block 959107 (2026-07-22T07:19:23Z), 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/USSH59843222.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x656797abc4f7a51f14eb086d24816ff51f56536813469f097ee7e885c8d198bc. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/USSH59843219.