Riad or Riyad may refer to: Riyadh, the capital city of Saudi Arabia Riyad, Mauritania Riad (name), a given name and surname (including a list of people with the name, also Ryad, Riyad or Riyadh)
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 0x87da7ea53070313ac6297d38f73be9e3f671835d147eb99c3f73eb797623edad. 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/f6de2b1d-f845-4815-a2a1-3cc56706f9a1.json and https://artists.proofprofile.net/proofs/artist/f6de2b1d-f845-4815-a2a1-3cc56706f9a1.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 0xc51f53db3225eb04d94f326c4ff7e44ef6d25ab9fafed259a5ca360ffb2f2686. Chain 2 (Bitcoin): anchored in block 958276 (2026-07-16T10:20:17Z), 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/QZYFZ2456080.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x90d9ee77ff0eb508bd73e9a01ad497fe81ec043296473c0774f9191433f78781. 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/QZWDW2432299.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x22104990ca8de2c48abc178d069656bb24a9b5e7e86b84f6741d39d5d0edaa50. Chain 2 (Bitcoin): anchored in block 959137 (2026-07-22T14:03:35Z), 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/QZN882436211.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcba7106f6edc8013645921d7ac2bdab3e95723dd4c64d509b8f3732485db813a. Chain 2 (Bitcoin): anchored in block 959089 (2026-07-22T02:17:57Z), 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/CZUM72500114.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe97a47875d22adb12501f71d5039c1b933cb3e4ed25c19c4c12b71b8f3aa8cff. Chain 2 (Bitcoin): anchored in block 959009 (2026-07-21T13:14:47Z), 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/QZN882506602.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x176416c144d53452057653cdbc734e6077b4ed64cfe624f0886f241d7d6a02b2. 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/CZUM72500134.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcba7106f6edc8013645921d7ac2bdab3e95723dd4c64d509b8f3732485db813a. Chain 2 (Bitcoin): anchored in block 958377 (2026-07-17T06:48:00Z), 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/CZUM72500114.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe97a47875d22adb12501f71d5039c1b933cb3e4ed25c19c4c12b71b8f3aa8cff. Chain 2 (Bitcoin): anchored in block 958401 (2026-07-17T11:10:25Z), 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/QZN882506602.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb049707de17aec5c956e80214f2c9d14ec4c0c149df50c16e38bb2d70d96c35c. 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/CZUM72500135.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x176416c144d53452057653cdbc734e6077b4ed64cfe624f0886f241d7d6a02b2. 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/CZUM72500134.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcba7106f6edc8013645921d7ac2bdab3e95723dd4c64d509b8f3732485db813a. Chain 2 (Bitcoin): anchored in block 958700 (2026-07-19T08:09:50Z), 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/CZUM72500114.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe97a47875d22adb12501f71d5039c1b933cb3e4ed25c19c4c12b71b8f3aa8cff. Chain 2 (Bitcoin): anchored in block 958711 (2026-07-19T09:26:32Z), 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/QZN882506602.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x858a0528cf482d70e96caf931d346212717ea6ebd7095450e2eab6dd649fce3f. Chain 2 (Bitcoin): anchored in block 958069 (2026-07-14T21:37:55Z), 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/CZUM72500248.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x05365e0b1f02bc5c38cb2b5760cfa94c6949ceedd4438da90c01eb648dacadde. Chain 2 (Bitcoin): anchored in block 958373 (2026-07-17T06:09:33Z), 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/CZUM72500273.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf0a79277c0d652d29160494f411b2c1ab1f74a68805bf8fcdfe17ac3626081ea. 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/CZUM72500321.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcbec6675a03860cc62f8d89e46c9cbfb13d02f0df6d9b1fe0ce8c90409bae6b6. 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/CZUM72500330.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf0a79277c0d652d29160494f411b2c1ab1f74a68805bf8fcdfe17ac3626081ea. 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/CZUM72500321.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbd21d24d54acdebdebf58c42baa2c9c8010896af7b7ba9e766530ae4519e2190. Chain 2 (Bitcoin): anchored in block 958157 (2026-07-15T13:14:32Z), 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/CZUM72500247.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xadd501a2cf835258b224e0c3af53f7cb7f593525218fa925bbd3dbb9b0d2c39b. Chain 2 (Bitcoin): anchored in block 958110 (2026-07-15T06:57:12Z), 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/CZUM72500491.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf0a79277c0d652d29160494f411b2c1ab1f74a68805bf8fcdfe17ac3626081ea. 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/CZUM72500321.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbd21d24d54acdebdebf58c42baa2c9c8010896af7b7ba9e766530ae4519e2190. Chain 2 (Bitcoin): anchored in block 958436 (2026-07-17T16:42:22Z), 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/CZUM72500247.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcbec6675a03860cc62f8d89e46c9cbfb13d02f0df6d9b1fe0ce8c90409bae6b6. 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/CZUM72500330.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2a89d51e922e3b7bc7ca46772df8870d5421e4456293eb1c1a9a34fc07a7e084. 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/CZUM72500628.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xadd501a2cf835258b224e0c3af53f7cb7f593525218fa925bbd3dbb9b0d2c39b. Chain 2 (Bitcoin): anchored in block 958157 (2026-07-15T13:14:32Z), 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/CZUM72500491.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf0a79277c0d652d29160494f411b2c1ab1f74a68805bf8fcdfe17ac3626081ea. 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/CZUM72500321.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbd21d24d54acdebdebf58c42baa2c9c8010896af7b7ba9e766530ae4519e2190. Chain 2 (Bitcoin): anchored in block 958373 (2026-07-17T06:09:33Z), 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/CZUM72500247.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x200bef1bc2557eaee9d2394a14a1459548f81f425af2e02b47fcdfa9400358f1. Chain 2 (Bitcoin): anchored in block 956420 (2026-07-03T00:42:11Z), 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/CZUM72500876.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x511565837dd654d47a2731c0d08fa3e50dcae82c17bb2c814abc34f09c944a2c. 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/CZUM72500775.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4b554c63d639e8ca366be1b84bf5001b8411dacc9f17fb079ddc39ace908c600. Chain 2 (Bitcoin): anchored in block 958476 (2026-07-18T01:26:56Z), 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/CZUM72500672.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2a89d51e922e3b7bc7ca46772df8870d5421e4456293eb1c1a9a34fc07a7e084. 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/CZUM72500628.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x05365e0b1f02bc5c38cb2b5760cfa94c6949ceedd4438da90c01eb648dacadde. Chain 2 (Bitcoin): anchored in block 958600 (2026-07-18T19:24:05Z), 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/CZUM72500273.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x930229dd8a26a8fe643d3c972369fc1859a9560805dbf200bc87bccbb0a5686e. 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/QZWDW2379789.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x207a0e15ceaaa112d564377faecc246a852115c5effe43bd7356a29478dfc7f4. Chain 2 (Bitcoin): anchored in block 957050 (2026-07-07T14:41:13Z), 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/QZHNC1904009.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x33aadf7015f4ab74fe5c252fc0f7fccc11e43e3fde2e6182acce7428712daff0. 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/QZES51906928.