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 0xbcb33b7861ac2b04c4639ecc78245ed9fc2f12c692dc6638653530ee28cc04ba. 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/9736d71f-45a9-4f05-907d-1c880e311a62.json and https://artists.proofprofile.net/proofs/artist/9736d71f-45a9-4f05-907d-1c880e311a62.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 0x0fede21fa65fa4338243d7b930b86ce903471d4b694ea8fab3669f374047d36a. 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/DELJ81733335.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7c411eae91df9ab18ba62fbf4de1734c7e8134e569e30eb896be56f40ec8cbd9. Chain 2 (Bitcoin): anchored in block 958920 (2026-07-20T18:14:22Z), 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/DELJ81921582.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1bc6d2c9eac807536d96a8488ba1547bf03218e822e334219acec5b80e5566ff. Chain 2 (Bitcoin): anchored in block 957576 (2026-07-11T14:19:48Z), 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/CH7812045179.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7ae4f4d71bcca9d4c5a99b9c2c418b9f4191fe41ce8d611c4e05bf3f1b4b7c4e. Chain 2 (Bitcoin): anchored in block 957579 (2026-07-11T14:35:38Z), 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/CH7812048177.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x76161091f7558a88b29f55be4c8e086ca04650f514aa58892ea5abb454f2e9c6. Chain 2 (Bitcoin): anchored in block 958058 (2026-07-14T20:20:34Z), 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/CH7812051555.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbe7e15787adac1491a28d0238e1034c21ba0023439e2de41a4d7495c500c3be4. 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/CH7812052044.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf19697d7da92d294a9a28e68cf275ba2943754a5c370ccbc84e01f93c201bce8. Chain 2 (Bitcoin): anchored in block 956396 (2026-07-02T21:01:51Z), 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/CH7812053536.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe96f4dbf7bf59d6a1e7df81dd09dd1f0062a013b0d79f65436d691fcf4768989. Chain 2 (Bitcoin): anchored in block 959061 (2026-07-21T21:34:21Z), 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/CH7812060626.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x225b5281eec06d02d5e3d39d8978fa440be75248cf6caac8ff828ac3eb667618. Chain 2 (Bitcoin): anchored in block 959100 (2026-07-22T05:29:55Z), 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/CH7812062413.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3715e7540cf73ec773683fdbbf332600ddf43f9d4daecfa0f8a34bfe35809c45. Chain 2 (Bitcoin): anchored in block 958242 (2026-07-16T05:02:52Z), 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/CH7812063187.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe6a01f93731163498507fdb229603e49c2611aa6d6d1ad9e37161cd2ccab7248. Chain 2 (Bitcoin): anchored in block 958238 (2026-07-16T04:30:31Z), 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/CH7812068321.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x50166327ba56673684040b1b7f21043d1040eca4c710e9100fffc80fd3a8838d. Chain 2 (Bitcoin): anchored in block 958054 (2026-07-14T19:33:24Z), 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/CH7812070537.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x22b68ca8c792f45900af87eded460b9bd4283f093d0943284821d9a1c7b98486. Chain 2 (Bitcoin): anchored in block 958474 (2026-07-18T00:59:09Z), 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/CH7812176892.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xec2e25b96212775ecf297da767cbec2d1bedfacda8a3dcfed4dc36e19ed35aba. Chain 2 (Bitcoin): anchored in block 958876 (2026-07-20T12:15:48Z), 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/CH7812179703.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0c0566540e5df7a1ee9b1fe8b9fb2387ecfb247ca82125371a6fa460f6e63690. 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/CH7812189249.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb673d5d2f517b03c812930b235f0636a99a761b1ae8e2b155135e68447bae14d. 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/CH7812105229.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9191c8c2c3f9c90dd6e8892bdfa3f19f4efc19b12fe1aae1c70e101f0d905ae8. Chain 2 (Bitcoin): anchored in block 958153 (2026-07-15T12:03:04Z), 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/CH7812105441.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x35da9cb54145588fab82616eafb298dca447801c0e3023d80472dfdc153204e5. 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/CH7812109621.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd7fd12d1e783e1f68aae50340021590c527b219d9b718262ca82110b7294b894. Chain 2 (Bitcoin): anchored in block 958058 (2026-07-14T20:20:34Z), 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/CH7812213605.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7118007e96ecd6ad3140ad55a85d9e2235fd0544d89d47014909c023de49d465. 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/CH7812214149.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x70fdd3aa83c010b05b36c2b178273153a80c58460ccf5810fba56f79b921d05a. Chain 2 (Bitcoin): anchored in block 958590 (2026-07-18T17:28:56Z), 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/CH7812215282.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1d1c8ff0f6116546ccb5d777337253ad2a0ac9c6fad15aecb526e3332fa8cc5d. Chain 2 (Bitcoin): anchored in block 958268 (2026-07-16T08:56:51Z), 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/CH7812224600.
Yürüyorum Dikenlerin Üstünde (Drill Remix)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x38efed83313805a3abedfdaf5bffd31502960843e26f8408ce089cd350333fb1. 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/CH7812237133.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc1bdb56d0df062ab40b33dbd89b40599c6d9aaca5fe876aaf6ef51739011b9fb. Chain 2 (Bitcoin): anchored in block 959100 (2026-07-22T05:29:55Z), 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/CH7812356202.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbdefb736d314079c76b9c3fcc02212181d66feb079eaf7dc5e6628c6a18aa2c6. 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/CH7812362847.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x416be17bc03eeb42d9d288d778bc1b6eb7207d3a38a5c8bc1e0c4504db946c37. Chain 2 (Bitcoin): anchored in block 958783 (2026-07-19T21:20:45Z), 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/CH7812362492.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xea8f4ba1360ed383a68ddcbc64d7f6016965b345b598a5c47a174cce7e1287eb. Chain 2 (Bitcoin): anchored in block 958541 (2026-07-18T11:37:54Z), 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/CH7812406030.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaf84851ceff56150f1823e5b5f62a83ca86ea10c66d38d70ac05be88afffcdb9. Chain 2 (Bitcoin): anchored in block 958331 (2026-07-16T21:55:37Z), 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/CH7812529207.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x16593a25fc2c46cb457e684e546f5a089bb1a8ee91f5cebdd77e7398f30ef866. Chain 2 (Bitcoin): anchored in block 958805 (2026-07-20T02:22:58Z), 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/CH7812534493.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3a7da9820c4a8ddd4abebb0dd86e1e7ae53dd91d6c032f9bea51cfced6971fa9. Chain 2 (Bitcoin): anchored in block 958951 (2026-07-21T02:01:41Z), 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/CH7812534496.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa2e9fc6752834ae918b96c9b0e247a40e4744d27cc3583235e654baa36633c8e. 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/CH7812534497.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4bbe1da506327ea16fe4fb48c6b73eb2b50091c98e3fbb989acce02243cfa6f0. 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/CH7812550908.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x857156993aeacb7907e8f9218dbef7003ece0e0085791dc0a4dbda39c8063ea0. Chain 2 (Bitcoin): anchored in block 958792 (2026-07-19T22:55:52Z), 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/CH7812550909.