Murtagh (Irish: Ó Muircheartaigh) is an Irish surname. Murtagh may also refer to: People Murtagh (name) Fictional characters Murtagh, a character in The Inheritance Cycle Murtagh, a 2023 nov
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 0xb697f41fdc0f1dbd97edfef51abb48129ed397924412b33dcca142347e20533f. 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/fcb1deb1-7f4b-4d36-b50d-248bd197e5dc.json and https://artists.proofprofile.net/proofs/artist/fcb1deb1-7f4b-4d36-b50d-248bd197e5dc.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 0xd1416d0058c87fb02fd782c89c310a9e88cc4d09e78c3c6862e8344a910422dd. Chain 2 (Bitcoin): anchored in block 958658 (2026-07-19T04:09:09Z), 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/TCACD1523742.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc23361e693d8319faafece9ecf7ad89cd82cbccfe8d8bde60db96f4d8b6951b0. 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/TCACE1573698.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa5880e095a64a633d6dcff890d5b19c4cbf160fdb3b208279c0b3456215d9b75. Chain 2 (Bitcoin): anchored in block 959065 (2026-07-21T22:00:50Z), 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/TCACH1599762.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4b047f579cc3d5901f7b78f21a050a0b079fc53abab4528c864beab3da2b51e2. Chain 2 (Bitcoin): anchored in block 958491 (2026-07-18T04:29:42Z), 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/TCACW1746032.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe19e7a61cea03af84453b9bc5021213678defc5e86f9d41c861183dd28d36384. Chain 2 (Bitcoin): anchored in block 958383 (2026-07-17T08:20:01Z), 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/TCACW1746052.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x75b884f8aa10f4cdaa07cc52b99faeeca56594d5ddb804e769d47091dd51a976. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), 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/US83Z1809013.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0280cd379778ed60cb1493964cf8a3d3772e4c79eece949ba7b26c75819c2c47. Chain 2 (Bitcoin): anchored in block 958650 (2026-07-19T03:36:41Z), 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/GBLV61904941.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x85db2f1bb045ac18126efa9793b6b1e70c1230d5ff95ab5567b996babc7a7e9b. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/GBKQU2008164.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd405c20eaba81884cf1555e377730753ea1a87892a6e0bd8bd3f3cc306782386. 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/GBLV62016734.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x83638a4cbafaf277775ec39db0c58c7b358ccfefe41d8d144853bc22f3cddc8e. 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/CA6D21600337.
Protocol presents Miami 2016 mixed by Florian Picasso & Blinders
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa2968f4e1e946d326a1f1a8681e90fa9f831b030187fa7806a18577ca0a9332e. 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/NLUW21600297.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3a5c09ab94b0680cde76253a009c707527248cd57c8b5c2bc062ee144ecfa4ea. 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/GBKQU2095294.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x642268706f459ffb341493479714b6f977812ef063dcd0679612aecdadb03efa. 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/GBKQU2095298.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1dc19a0d3b99f1b65a76ece1d3c1380cf7e1935446b35558e3d7723bba274818. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/GBKQU1986490.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x68298c189c322834de5ef5b72edf371167c8edf655189a0f9a6cb564cdbf73b4. Chain 2 (Bitcoin): anchored in block 960376 (2026-07-31T09:09:19Z), 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/GBTDG1301521.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x83638a4cbafaf277775ec39db0c58c7b358ccfefe41d8d144853bc22f3cddc8e. 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/CA6D21600337.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb2664b57a22a7f6d5436a52b172eb7b605d2468c00e9ac40c61afcde45460af6. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/USLZJ1452199.
Protocol presents Miami 2016 by Florian Picasso & Blinders
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x990c268a2b69b1de108617fe7ceb3eede1e37feb789f5d3c86f9098918c024b4. 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/NLUW21600281.