Christopher Edward Medina (born November 30, 1983) is an American-Norwegian singer born in Chicago, Illinois. In late 2010 he auditioned for American Idol making it to the top 40 before being eliminat
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 0xf14bb5daa1df34ca709b04f4ded278ceb924617e672869a217cfe20f1576833a. 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/43cc4870-b6f1-4fa1-afd5-41c80818253e.json and https://artists.proofprofile.net/proofs/artist/43cc4870-b6f1-4fa1-afd5-41c80818253e.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 0x8286f06d6886d1765791549c6a443e6cfe014acbcfe1faf4c749764a8590fdb6. Chain 2 (Bitcoin): anchored in block 959118 (2026-07-22T10:01:58Z), 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/GBE431000293.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xca95b564e4bd9224b1d47646ea92c13d8dc2414c79f550990198aa1ee6323cbf. Chain 2 (Bitcoin): anchored in block 958576 (2026-07-18T16:22:28Z), 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/NOYEL1104020.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x37c821cb959c554c1ca5465f66e4d8fd9ee2ad708c18b668f1e85d0ecc705151. Chain 2 (Bitcoin): anchored in block 958520 (2026-07-18T08:19:09Z), 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/NOYEL1104050.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6f733e0426b5b095af5e435e2d5b1f7a9776092c72deb6832029e4bbc521681a. Chain 2 (Bitcoin): anchored in block 958942 (2026-07-21T00:24:07Z), 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/NOYEL1104070.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd0bd73d3ecd61bc89cae7b780f4d95425549135c950891231a26faaac1315efa. Chain 2 (Bitcoin): anchored in block 958461 (2026-07-17T23:18:11Z), 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/NOYEL1104120.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5d7fabefaee78b44a06da783aa54c031ddced7e790c4c8992cb50d760dba9672. 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/QM33F0900001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0f0dbfea98f280bc5030b31d70c712713ccf9cf9a1f97742836a8281d0a2c92b. 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/QM33F1500002.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x38ab131d9886e3e8f1303b0413fb52a409691795adc0599e4d482201207c4571. Chain 2 (Bitcoin): anchored in block 958461 (2026-07-17T23:18:11Z), 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/QM33F1900004.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x07e5959c88069c4e5fd314aa4b11ef6f161293ca028b5e064dbc5250136d1680. 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/BE8LH2300292.