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 0x7e4b2eee57f5077b17c7f45abb2412447d03e867dee701de75a64801e0d53a93. 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/747f349a-b1f5-42cb-871d-444d611da9c8.json and https://artists.proofprofile.net/proofs/artist/747f349a-b1f5-42cb-871d-444d611da9c8.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 0x44eba796f4e29cb316ce73cd6197049824a74ca00d2ff5f20af6cbaa5dab3c3f. 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/UKSHP2100188.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0adad91d35fd61363807a97dda90b4a15f98892150efc18b69c0ff0413c26d4e. 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/UKSHP2100192.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9170133d18e71e5a259524e6c994d85922d0a9d02ae2e09dee97541282b33ae3. 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/UKSHP2100185.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf7d9ca642496fb03dba4766a3e4ff71002b00f1743c1f219680e064ce68ffbb5. 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/UKSHP2100193.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0e0aadcad680b019791bc3b9195fc94118e802d5191f6eed46f4188feb6673f0. 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/USUYG1222048.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x402f9e7b7a7f5510139e96ed7fb7d1de2e929dfb31cd9af9acba5f1f9882d703. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/UKSHP2100183.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x85ee3cbc6bbb8ddbcf740ad1a498a7d34915cf76a03e4b6b7845c61abbcf2b83. 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/QZNWQ2026127.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x42205f0172408159aae365bc45a6327d2bff6037fbbb5b93e0bb6771fe693029. 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/UKSHP2100190.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x71ece328757734f2b4185cff80424239963d9e85fa26a66b956a6774ed568800. 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/QZRP52348089.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x43d52a79f3535207ed1b301ecba064a1b8710d95648c8f6724f016e841df0f47. 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/QZHN42372787.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x366d9871b521017cfa7172e7cadcb0be49676325341fb8e8ef4d5852b734063b. 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/QMDA72203655.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x44eba796f4e29cb316ce73cd6197049824a74ca00d2ff5f20af6cbaa5dab3c3f. 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/UKSHP2100188.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0e0aadcad680b019791bc3b9195fc94118e802d5191f6eed46f4188feb6673f0. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/USUYG1222048.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x402f9e7b7a7f5510139e96ed7fb7d1de2e929dfb31cd9af9acba5f1f9882d703. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), 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/UKSHP2100183.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x85ee3cbc6bbb8ddbcf740ad1a498a7d34915cf76a03e4b6b7845c61abbcf2b83. 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/QZNWQ2026127.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x42205f0172408159aae365bc45a6327d2bff6037fbbb5b93e0bb6771fe693029. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/UKSHP2100190.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9170133d18e71e5a259524e6c994d85922d0a9d02ae2e09dee97541282b33ae3. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/UKSHP2100185.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x402f9e7b7a7f5510139e96ed7fb7d1de2e929dfb31cd9af9acba5f1f9882d703. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/UKSHP2100183.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbb1a1bfbb2563ab70f45d4a2fd5633d6954e08268b23eb44e15f9e10a2abc0c2. Chain 2 (Bitcoin): anchored in block 957820 (2026-07-13T07:54:01Z), 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/TCAER2032749.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6a806889dcc524a273991649224f6183c80577961563b95abad67f5a0fd79ec3. Chain 2 (Bitcoin): anchored in block 957043 (2026-07-07T13:52:39Z), 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/USUYG1201147.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbc72882c6f0833c75c3307a66d5928d9d3c38823cc53574409d23c5094e42299. 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/QZFZ62047423.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa112728011e5ebc4bbe729dddd6b7279e78bff1d62232113540ab6ac5b58dfb7. 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/QZAKB2410772.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x60416873da310010d9df4f018a312e747648e3b682910021898a6c2dac997339. 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/QZES71995422.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xec571a7d131193ad9ba1e8b379e8a4f1d715cba81584f934fb915690d6476ce8. 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/QZES71995424.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3afc9330f7a47f419f3926e6eb25bffb3b40899f1c663041b356d95bff95de67. Chain 2 (Bitcoin): anchored in block 957041 (2026-07-07T13:25:45Z), 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/QZES71995425.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcc9792664e6f6fe6b37cec19817b585dfab8aabc4107615ac8e57207fe9b33a0. 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/QZES71995426.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0ce1d3df9d2ff625bc687e680b4b8c17f3e826876dc0207e1bada05a2c2c64d9. 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/QZES71995427.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x374129946591134b5eaeb2bc2303ac116150c4dd5472029ce839290eb242d649. 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/QZES71995428.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdc273460eb9f298707ecee02cdf60d41e386abd58d69b09ab025420cf4671bd2. Chain 2 (Bitcoin): anchored in block 957046 (2026-07-07T14:04:01Z), 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/QZAKB2435509.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xece9e0007349707233b2f7ca8362066763805f06f5ea26e58192e97082694927. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/QZAKB2435510.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfee2d173d59801c8148124f5196b4fd55689807508235243c99db4f08e7a4e52. 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/QZAKB2435511.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa1931e0966d6cbc7c085206ef3a2f23d268ba0363d2f7325fb4241276405b5b5. 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/QZAKB2435512.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeba080555235a44ac5f8f81d80baf90f4dce2c61f258a5577f4a2de393813004. 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/QZAKB2435514.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x65651fbe5b78db96aec6d36504ea576fa8a4d9acc7c004c228fdb9b75bc98481. 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/QZAKB2403347.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4a4a35abed061159a80e8e510123d00478d588c026c4ffcc80cd075d3e0bc246. 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/QZAKB2435515.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3b1bdf1eaa9c6e1d03262a1b004ac1d0765d05dfd0b539c5b056b2cbf768c2f9. 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/USUYG1213756.
We On It (feat. P-Lo, Rexx Life Raj & Nef the Pharaoh)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb5dab2cc120c64dc90e6e3aa0303d9b5a23d3c5fe7043b720663dd07be67191d. 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/USUYG1213564.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x88e54e1c506262d86c6ae1df11bd7e6e3488fe7e396c9ee25f450225ac206066. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/USUYG1213765.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x90df9a679739c8d3860c3148c4157da90fa7e0f5075da9635e35bff988386fc4. 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/USUYG1213767.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x260e5eb473a27834a81b48581f2cdf1ef8660afb0a5b790b635b61961394a799. 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/USUYG1213773.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x980c4b010ea23a4029bc5c81359ff76035714a555223b99d44cb784a02c7929f. 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/USUYG1213774.