thumb|Vasily Zaytsev, left, and other Soviet snipers equipped with Mosin–Nagant M1891/30 during the Battle of Stalingrad in December 1942 thumb|A modern sniper weapon system which consists of a sniper
1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → block must exist at that height 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 0xc5ffd6ea5cdafcdde3ae786e2bd55cf0367b7a5f629ef329d846e7c2d71bad3a. 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/b1d87013-ca9e-4cbd-9c60-a9335797298d.json and https://artists.proofprofile.net/proofs/artist/b1d87013-ca9e-4cbd-9c60-a9335797298d.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 → block OTSBitcoinBlock must exist at that height 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 0xdc03e0eaa4e76ddf0bf7b3e9472ee6a7f90e461c3dae2fb1ec4ebad3f0cc6098. Chain 2 (Bitcoin): anchored in block 958489 (2026-07-18T04:13:26Z), 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/FR29U0600069.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x79ec83168d97072a5118e74e2faff04f63b29b89e854b4e6a023f7c852cc3748. 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/FR68S1100003.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3cb8d23894da4919f7d1108f5a6f77c9a74643c7662c8e77d4d610bbbd9199d6. 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/FR6V80668831.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9112cbe3fcdef3ede1a49976080f51ed01fbd95f89c56e591712f61031fd1b1f. Chain 2 (Bitcoin): anchored in block 957805 (2026-07-13T04:34:37Z), 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/FR6V80575042.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9b3b872022172735784096decccf31e933b7450c3b3476a839dcd797f5b7370d. Chain 2 (Bitcoin): anchored in block 958124 (2026-07-15T10:58:53Z), 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/FR6V80575036.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7f482ae045da7543e02619baa37b3364cfbea8eb905091a7d35ddfbb9c7f2972. Chain 2 (Bitcoin): anchored in block 958504 (2026-07-18T05:41:32Z), 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/FR6V80575046.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8f24ca0abb0b5521ef9c903a03202470d50eee9d0d4e82764ef863e3e8f82525. Chain 2 (Bitcoin): anchored in block 958286 (2026-07-16T12:43:37Z), 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/FR6V80575045.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x54117e9bf6142adb6ecfce5327a70909dd49aaf7c20231e8bddef5cbc2921034. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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/FR29U0000090.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe31c20fd09413e4fb730a8d2c935041215c67ad6f1974b09850e59228dc535a1. Chain 2 (Bitcoin): anchored in block 958211 (2026-07-16T01:18:24Z), 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/FR29U0300015.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3c239445bd6215ab17a04e13202f9dc8176f32fa7776acf4d36c48ced6ff7d66. Chain 2 (Bitcoin): anchored in block 957872 (2026-07-13T15:39:45Z), 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/FR29U0600100.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4faad4b90a2a8829c589f32df90b0d9b18406280c98d04145995984d3f87c6a0. Chain 2 (Bitcoin): anchored in block 958319 (2026-07-16T21:25:01Z), 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/FRPET1800020.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4f433686d9cb072a168bd68a970117ccecb1187f0370bba024279a070a162353. Chain 2 (Bitcoin): anchored in block 958633 (2026-07-19T00:54:50Z), 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/FRPET1800840.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4067635b5a80ea986be5d78a4fd4851319426cb15851fae48dada3ca69b43079. Chain 2 (Bitcoin): anchored in block 958380 (2026-07-17T07:07:02Z), 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/FRPET1800700.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcc397eb2bf8de49dd41d3899affe9aa24a4810bbc2c06d5cc4becbb6a19ea0d1. Chain 2 (Bitcoin): anchored in block 957867 (2026-07-13T14:55:20Z), 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/FRPET1800710.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe3bc411f54c4d0e6247ae405fb3e9077b0d16650a857bace2d429c9d2e641360. Chain 2 (Bitcoin): anchored in block 958711 (2026-07-19T09:26:32Z), 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/FRPET1800740.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x41d8b53c8ab3d136d873b098b2a5c85458c4ee9d33e5da5daf2a9652266a8241. 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/FRPET1800760.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfa50ab7d760009b73c3cc3759e95237e0ab377c63d73f0c3dddbdb3bd7611fd7. 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/FRPET1800780.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x72d106d1e089b21ac2fe875b90c934a608808528f94803cf1ef87ac977283add. 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/FRPET1800820.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbd0969358333222ec175bd924966b54e28ffce148aafaed374d2883d4b71977a. Chain 2 (Bitcoin): anchored in block 958554 (2026-07-18T13:17:01Z), 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/FRPET1800830.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb7efff9fcb3b65dcf800447849568feb53596234e7c536423b923493cbdb644a. Chain 2 (Bitcoin): anchored in block 956776 (2026-07-05T10:59:37Z), 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/JP92S2418023.
Another One (Ft for ft) [Special Version]
Another One (Ft for ft) - Special Version
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0712fb1503db592d585211305d4596ca4d131bf96dc92bda46a4931b55dbe634. Chain 2 (Bitcoin): anchored in block 958194 (2026-07-15T20:32:27Z), 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/QZPLS2518272.
Another one Bitch gang (Special Version)
Another One Cause Oops Click (Special Version)
Another One Cause Oops Click - Special Version
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xda34505d508e1259461c9e7565d94526321de006c2113403fca3645715390c9f. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/QZRP42538125.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x825b0bae8c76898e2e50a013254a290661b3f80166572ddd0cdd909a79405719. 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/CAA0Q1212602.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb498ee19fbd5b0c5ff875e418670d90ac5ff5433ad3a92c9e3199ca0f3c6fe3c. 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/FR6V80371630.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf5d84caff7cf74ff8efcbe0fd20821bf94f7e3704c25ad848511bfd0a6f9e4a6. 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/FRPET2302220.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7342d3acf59a1ba39415c4ac04396a85b08f0a3434b6560e7bf47996ef93d7d1. 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/FRPET2402470.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x07b9c2747a1cecc1faafb1e1827eb7c293a3938c6cca952c01350e32d694c64f. 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/FR6V80853654.