KIDR (740 AM) is a radio station in Phoenix, Arizona, United States. KIDR is owned by En Familia, Inc. and airs a Spanish-language Catholic radio format. The station's transmitter is off South 23rd Av
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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcfc6b8b3123fc34ebf0ec8cbaac925335236a9ecc5c364ea649fb3a6f8dc17af. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/b8dc774a-aa06-408e-9418-81cda6ab8df9.json and https://artists.proofprofile.net/proofs/artist/b8dc774a-aa06-408e-9418-81cda6ab8df9.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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd3f6422c36c74e6d9b3170f5bbebde9e71c5759c198bf51ea2b260fd6655a62a. 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/QZFYW1910305.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd765500de165d25c97a982df00506ae386fb22749d2db602eef77d58c58b3744. 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/QZHN31919130.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd7b312187fe6b50ca16a70ca1b7517047d0ef1d76269946868b1bce5648ee4a9. Chain 2 (Bitcoin): anchored in block 958489 (2026-07-18T04:13:26Z), 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/QZK6L2051070.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x392fb1b64db1b781feb1072cdf94d2ed31dd63866c80adff080119b69016140f. Chain 2 (Bitcoin): anchored in block 956576 (2026-07-04T02:06:47Z), 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/QZNWZ2070895.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4b81733bbdc0761da154f3c0152c3f0fd14c5a29a0e10b5800244e5b01c61e3d. 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/QZK6Q2167074.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x531560cbd942285f23c59bf109f07f6ca5c224dea2d76b5260c2843d78508359. 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/QZNWV2179860.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeea9c2acbf9b149c1e38571184e23f9a87355674ad3f95c8c14b62f05fdf4160. Chain 2 (Bitcoin): anchored in block 956790 (2026-07-05T12:31:54Z), 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/QZDA42291845.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x57ed8a67d7c83e581747688f7c2e81eacb17f726a342a1249209124faa9a9ee9. Chain 2 (Bitcoin): anchored in block 958853 (2026-07-20T11:54:07Z), 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/QZHN72312655.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x408cf1469b11c42c3e30164093b3813eb6c85f39e1038cc98a1465c10af14c93. 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/QZK6Q2390444.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x706810b792a9d9bf696f4589111793a3de207d6875f1693839b922b6a717fc1d. 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/QZHNB2438386.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2fa863c704ce790ae380ebfdcdd2b8826129eda325a91388a1f7d4494edbec2b. Chain 2 (Bitcoin): anchored in block 959088 (2026-07-22T03:52:31Z), 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/QZNWW2409350.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5fcefdd3b8f6e093e48e24079850eb23ad3877c1f57f3aa7dd554abaecb8d36a. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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/QZTB72473128.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2881e5a39f740f7d0c7152a09ca95080d4382c9a85d4e6127d499dca9ef3ad52. Chain 2 (Bitcoin): anchored in block 958444 (2026-07-17T19:12:23Z), 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/QZWFV2492550.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6f28c1ab4417621b98156b88b6545e6c9f34f762005cd4871d90f3d6c3a485a1. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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/QZZ7L2449989.