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 0x593c848038ef36b028a2c0d29ed70875af95795d408487db9196926d800ef117. 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/f2a435e9-a6ac-428e-8eb1-39483b6d4fb0.json and https://artists.proofprofile.net/proofs/artist/f2a435e9-a6ac-428e-8eb1-39483b6d4fb0.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 0x9358c1c15e556acfde37ed6f6022b06c368033e3adba58c561b82bb130a3c637. 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/ITDEK2000016.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe49a283c2e07e594e8f2cdb22b8596026d4dbe1f10c50660f8e0f7c1cf5facf8. 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/ITDEK2000002.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x02e633314742f484f44f3a953e452ded3893b0ce553e461075510f09be0dc19e. 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/ITDEK2000004.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9f0423aac2ddec9d7dc57d97efcc734af1787db46d6777f82a18b629f3eed06a. Chain 2 (Bitcoin): anchored in block 956578 (2026-07-04T02:23:20Z), 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/ITDEK2000014.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x48bafb67c0203b8dcc027134b2409b0cbded8a0d795159abc7b54a1e1310ed77. Chain 2 (Bitcoin): anchored in block 958627 (2026-07-18T23:33:54Z), 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/ITDEK2000019.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbded024be4385172a46779f0851777734efd5f4a76120ea0cb4c3f54130b89e1. Chain 2 (Bitcoin): anchored in block 958368 (2026-07-17T05:03:25Z), 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/ITDEK2000022.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa5a8b1363456846a7be6d6e3a044675c2e03e52db9852d7aca2e26610f9f092f. Chain 2 (Bitcoin): anchored in block 958366 (2026-07-17T04:59:09Z), 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/ITDEK2000024.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x45fb6c28d8add5aaa185f5563b9f2e468ec2c52e220f62819d241d9afb1bc4ed. Chain 2 (Bitcoin): anchored in block 958716 (2026-07-19T10:15:55Z), 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/ITDEK2000034.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x14f8bb8f5267b9b39187d27fafd66ba5e55b32e096df359f4a4cdc50c18b15c9. Chain 2 (Bitcoin): anchored in block 958867 (2026-07-20T13:43:33Z), 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/ITDEK2100001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6a7e48b180851d1adb45cfb123489ded54f1c46f7213c1ae30273556f08c4800. Chain 2 (Bitcoin): anchored in block 956578 (2026-07-04T02:23:20Z), 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/ITDEK2100002.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8265ab86ae0ab2e2dcdc4bfcf698bebeb4c6b334554e2a29239a0e1ff7c19e49. Chain 2 (Bitcoin): anchored in block 958749 (2026-07-19T18:42:18Z), 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/ITDEK2100003.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xace34df988d260924ab234e4d18f34586e7715aa21f3b6087c3a660702e453b8. 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/ITDEK2100004.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcaf6174cd80277b86579c84bfcc3962b64f44a7e8fd6c79b7ee979d1cf40b863. 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/ITDEK2200014.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x084d9eda0140cad6b72a4187d2a2a289ac7b0d9195b5c4dd19412e2cb23e1265. Chain 2 (Bitcoin): anchored in block 958462 (2026-07-17T23:17:53Z), 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/ITDEK2300011.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x704fd1f7def7e2a29c43fab4e28bd2c9689ead6177ab93fe08e0200b97a82a66. Chain 2 (Bitcoin): anchored in block 956420 (2026-07-03T00:42:11Z), 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/ITDEK2300016.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd57cc7a2fd95f936ba599f5935d933083660ebbc56f7402cbf3daa6b67c6d6c5. Chain 2 (Bitcoin): anchored in block 958631 (2026-07-19T00:50:09Z), 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/ITDEK2300017.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x776667241fef84b4f99b63b53abae2a1d661a9dee51af955a11e696fef04fc69. Chain 2 (Bitcoin): anchored in block 959080 (2026-07-22T02:52:51Z), 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/ITDEK2300018.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdff4394e3c8e70950650c02a46605b025c8da1da094712badca80a434c3b2dd0. Chain 2 (Bitcoin): anchored in block 958834 (2026-07-20T05:55:47Z), 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/ITDEK2300020.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xca2a076f82a0e8850b4d7155c330dbe663df60071d2f732cf0c9b5f8269ccb3d. 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/ITDEK2400011.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x009853559ca239de58e7e039be19a63134243599cdb4f01620954e5ff9c18f06. Chain 2 (Bitcoin): anchored in block 957888 (2026-07-13T17:43:59Z), 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/ITDEK2400012.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaba7ec41b53abf520bcd325edbe4d3bc018ff762865586d59d483dad69071d29. Chain 2 (Bitcoin): anchored in block 958176 (2026-07-15T20:10:19Z), 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/ITDEK2400013.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9352db715926fca21418cad937792952ac7aff4e5b2b4c0dc4e415a95cca479c. Chain 2 (Bitcoin): anchored in block 958137 (2026-07-15T12:02:23Z), 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/ITDEK2400014.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf1bc17456f243b5c884f0e9557d2df2a21b72a69bc84d79124199569ae9390ac. 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/ITDEK2400015.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x52af4af20eba3ddef19ee5e834b3928cf6569617ad0a7b55fd195afa072a7a65. 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/ITDEK2400016.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x93d1a5d7bf896b5714de22bee94170da15babf2749033b8bbea876a7da310064. 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/ITDEK2400017.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x34d1fb46d49ee349293f48360d799a118a7e2490cdd381d1b34d6beed51ad8d9. Chain 2 (Bitcoin): anchored in block 956484 (2026-07-03T10:47:44Z), 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/ITDEK2500001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x486652a6fce1f0ff3b4d701bb8410588f63930bef9c9f56e75c7ed74b38dd734. Chain 2 (Bitcoin): anchored in block 956484 (2026-07-03T10:47:44Z), 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/ITDEK2500002.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaa535273d2c0dc6a55f4f18b32e14af770924545999bae099f925da369c3b4b2. 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/ITDEK2500003.
Tu sei tutto (Tu És Tudo) - Italian Version
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4ce3f9f43af55f974bb4ccdfa7f4e78749f127e522b4098a559ab3cda6082714. 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/ITDEK2500006.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x68c98a3dd5d9a8803595369df6de2316604bd24b74a29914ef05268e7b1c3c4f. Chain 2 (Bitcoin): anchored in block 958196 (2026-07-15T22:42:20Z), 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/ITDEK2500007.