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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4a33bf95841407d7e419e7a0d72bd4cca469a9a3dd5f0ee8dfac858b512292a6. 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/1947fd96-4b0d-4db1-8419-e279dfaba26f.json and https://artists.proofprofile.net/proofs/artist/1947fd96-4b0d-4db1-8419-e279dfaba26f.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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6e1a491aaa37d28caf7f67a7b2cc4acb1e9efb24663d95b47ba9229e73141045. 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/GBSMU6381227.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcdde459480ff7ca0de1f888a43cb9b58523bc6d383642b3d89b8470a654c9b56. 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/PLB822000640.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3aa8bf890a53132545df738414f3b332193fd1f1496395460588d91dc0104f9e. Chain 2 (Bitcoin): anchored in block 957546 (2026-07-11T09:35:53Z), 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/PLB822000638.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd295b3693f1b5d30fa2f47dcec3672504979082f27abe295eed7f7af289c5344. Chain 2 (Bitcoin): anchored in block 957785 (2026-07-13T01:55:31Z), 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/PLB822000632.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x695e86ef1da2ebf4c8aeb59023effccc067b448cd26a5522a9caa1605a39ceab. Chain 2 (Bitcoin): anchored in block 958121 (2026-07-15T08:02:12Z), 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/PLB822000633.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0315404420ed502ac63d8c7d07d2a7d722319a6fb036ff7f54f853965d40c14b. 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/PLB822000634.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf414d7694487288b15ef37a761e535bcef5948a575daa5bafa02d7bf6b015832. 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/PLB822000636.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfc1674918a6dc38bc01951860de3608239e0385ef1d681e0cd382445ea257ec4. 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/PLB822000637.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4a21ce6bd5b2788ff6d1762d3ea8e1eb843ea93a5f7a6e3d4c3355762da2f51b. 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/PLB822000639.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x36603e6489fed12b985301029a12335baac19b0a8ad2f6f0bb2076a454b9b854. Chain 2 (Bitcoin): anchored in block 958473 (2026-07-18T00:52:36Z), 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/PLB822000643.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0faea1716a7f8127c63e9ff8be2e8f79eb4fa1e8786cea15467cfc4d57bd93c9. Chain 2 (Bitcoin): anchored in block 957898 (2026-07-13T19:28:48Z), 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/PLB822300004.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2a247bfd67bedbf78274e371463889bded98603cf14ae25a07c4e333680f86d3. Chain 2 (Bitcoin): anchored in block 958838 (2026-07-20T07:01:21Z), 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/PLB822300014.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcb937f401d193646dfbb881ddcc102489220a350bba755f990f7ce1e85308040. Chain 2 (Bitcoin): anchored in block 956422 (2026-07-03T01:01:38Z), 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/PLB822300008.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x422af4b5f37baf71e1a741e04a442f7f64d20b28fbaf164cb4bf671b4ac4a75d. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), 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/PLB822300009.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x424c26e9e97118bbb416608d022b6ca4099a5bffbd7014fbcdff916cc1b987ca. Chain 2 (Bitcoin): anchored in block 958142 (2026-07-15T10:09:30Z), 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/PLB822300010.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2aa4812dcc72a9193278aeba323002a3f064f9b04ad29627ffbed0b36abdbc31. Chain 2 (Bitcoin): anchored in block 957898 (2026-07-13T19:28:48Z), 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/PLB822300011.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4642468ff7047a2d780ed41d0486e5dbca459ebae0a9115885edf8fb99f0e31c. Chain 2 (Bitcoin): anchored in block 956551 (2026-07-03T21:18:05Z), 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/PLB822300013.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2a247bfd67bedbf78274e371463889bded98603cf14ae25a07c4e333680f86d3. 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/PLB822300014.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0888ae5a978b175613707cd67dc4e17464ad2994a0ceb288f8b2c4aed1af2822. Chain 2 (Bitcoin): anchored in block 956637 (2026-07-04T10:56:23Z), 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/PLB822300002.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xde2d1d4b1c2fb5e8b83d5352e503ab00991f3073b7a63a9e741d952977c98b7e. Chain 2 (Bitcoin): anchored in block 958256 (2026-07-16T07:22:18Z), 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/PLB822300003.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0faea1716a7f8127c63e9ff8be2e8f79eb4fa1e8786cea15467cfc4d57bd93c9. Chain 2 (Bitcoin): anchored in block 958104 (2026-07-15T05:34:05Z), 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/PLB822300004.
siła w poczuciu bezradności (feat. Koza)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb497cfbca89ad0f28aab95da9b2315befa69dfe44198810acb51dd784f6525cc. 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/PLB822300005.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1e6a259289f3c525800d61c717c7268d8bcb2feabf83534b3ea7b7c9f95fa36f. Chain 2 (Bitcoin): anchored in block 958531 (2026-07-18T09:39:18Z), 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/PLB822300006.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcb937f401d193646dfbb881ddcc102489220a350bba755f990f7ce1e85308040. 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/PLB822300008.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x422af4b5f37baf71e1a741e04a442f7f64d20b28fbaf164cb4bf671b4ac4a75d. 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/PLB822300009.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x424c26e9e97118bbb416608d022b6ca4099a5bffbd7014fbcdff916cc1b987ca. Chain 2 (Bitcoin): anchored in block 959137 (2026-07-22T14:03:35Z), 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/PLB822300010.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2aa4812dcc72a9193278aeba323002a3f064f9b04ad29627ffbed0b36abdbc31. Chain 2 (Bitcoin): anchored in block 958600 (2026-07-18T19:24:05Z), 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/PLB822300011.
zazwyczaj myślę o sobie w kontekście twojej osoby
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc62c0be0d81fce292a3ecf11716b3d5895ad6fca96644b7bc0e16c50fe295205. 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/PLB822300012.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2a247bfd67bedbf78274e371463889bded98603cf14ae25a07c4e333680f86d3. Chain 2 (Bitcoin): anchored in block 958864 (2026-07-20T10:24:04Z), 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/PLB822300014.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x576657e5fa5e8bd6063944d3530323feb8824c0db7a6503e75a92ab040907336. Chain 2 (Bitcoin): anchored in block 957819 (2026-07-13T07:53:33Z), 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/PLB822500101.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x15730b89efbbeca5d7654649633709bca9f28e2f61d18a831c4280e75856abe0. 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/PLB822300248.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc42cd0accdf802e490efb6b67a02620d807f5246fdd999141c2277d44393f998. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/PLA552300002.