Mohammed el-Kurd (; born 15 May 1998) is a Palestinian writer and poet who has gained prominence for his description of Palestinians' lives under occupation in East Jerusalem and the rest of the West
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 0x5299f9fd237dea34f9e139e4a17de4029372a9fe47324fd51ab89f1870d856dc. Chain 2 (Bitcoin): anchored in block 953947 (2026-06-16T13:14:26Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/23c12fca-79c9-44b1-a103-56d53cd87afe.json and https://artists.proofprofile.net/proofs/artist/23c12fca-79c9-44b1-a103-56d53cd87afe.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 0xd09471053ea5dc41c9aab5faf17fe2f66c330eaeb7a3f7057e7b4075fe19b693. 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/QZK6N1972184.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x07661af246aebca464f2acde6d65e97d48404c3d2f6aabf8038a3b1ba9f0d454. Chain 2 (Bitcoin): anchored in block 960108 (2026-07-29T13:09:35Z), 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/QZK6N1972185.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbbcc0b2d21c6d81603909ca1e134315a655ed9abfb5eb72721cc4e07cf11fa54. Chain 2 (Bitcoin): anchored in block 960198 (2026-07-30T02:21:55Z), 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/QZK6N1972186.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0a672adfcf40c66d948e51eb959a1a882b41245c04e3a0d7478d8022d82e0836. 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/QZK6N1972187.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3b728711b65f5e79bae5974121e0842584267c2eca407d851da59fc9475c48d3. 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/QZK6N1972188.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x21d29ab4cb1b0df1bd25b730160d023e320ed2f0618c63aeffb8ce589e2d67d2. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), 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/QZK6N1972189.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x44e6800485baacc23dae8b727547684862202d8a1952c7321a7e4823bcfd1415. 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/QZ8LD1948458.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2db2cc7658bb038e1270befe41a71584d7ea6e44a2726ce802c825302e9a3fb6. 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/QZ8LD1948459.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x24a72ac08db721067bba1d5189d59c10edeb0a172ae33c2abd2ab5716eb8dc8b. 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/QZ8LD1948460.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa39f063a93118a43eadf6feed813e1ad117c1d3229b811f3a2d5f40495b4c7a4. Chain 2 (Bitcoin): anchored in block 960121 (2026-07-29T15:22:21Z), 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/QZ8LD1948461.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x77405913d6ea66a885a12abb1279f85643e90767ea2dd9e8fe05cd8eef0b623b. 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/QZ8LD1948462.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x229a7fc40ee9afb4f4ce496e817e9cbacbe4ace5e759c3d9ca073c21751b8881. Chain 2 (Bitcoin): anchored in block 960207 (2026-07-30T04:47:22Z), 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/QZ8LD1948463.