Hudi (, also Romanized as Hūdī; also known as Hūdeh) is a village in Kuhestani-ye Talesh Rural District, in the Central District of Talesh County, Gilan Province, Iran. At the 2006 census, its populat
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 0x475c8abe5b34931ba3b879659fe1f6cd203654a74eb45ef555c9e45715ecbe2e. 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/4cdf3197-cb9f-4b5e-8f3d-defc79c53ce9.json and https://artists.proofprofile.net/proofs/artist/4cdf3197-cb9f-4b5e-8f3d-defc79c53ce9.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 0x83574593d6c68cf5b4a71247e812a7da76efa04fc4c2001f5384d56930062ad2. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/CAN112401291.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2857134868281cbdb5c84d6776eac47d46ad66928efa63dfb246db22233182df. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/CAN112400718.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbce163a148ebfce7f06c41baf47d9a0983b5972164a4da62448034338a390c8d. 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/CAN112301941.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf0b1de5d85a467dc95d06540de0b3cf160855cef6cae6c0bc7028b6aafac5adf. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/CAN112301833.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc8f0dbf6d13c2fcb51377626dd79eafb47bdc8d355ffb6db2021d41b1378aee2. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/CAN112301636.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0287b9d618aa0990914eb838d6e360b779dc3099141280ed2db3f301f58c5b5e. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/CAN112301637.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf0b1de5d85a467dc95d06540de0b3cf160855cef6cae6c0bc7028b6aafac5adf. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/CAN112301833.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc8f0dbf6d13c2fcb51377626dd79eafb47bdc8d355ffb6db2021d41b1378aee2. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/CAN112301636.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0287b9d618aa0990914eb838d6e360b779dc3099141280ed2db3f301f58c5b5e. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/CAN112301637.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc8f0dbf6d13c2fcb51377626dd79eafb47bdc8d355ffb6db2021d41b1378aee2. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/CAN112301636.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0287b9d618aa0990914eb838d6e360b779dc3099141280ed2db3f301f58c5b5e. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/CAN112301637.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2cf206f74b9401ac6bacb0cef2745046285e27af33bc6f2dced54575e8dea296. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/CAN112300107.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2605771a7fae73ba7e76e84b7519b3769a581c5152227fbcc4ce19744f3f168e. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/CAN112300508.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8af514a9fd0daca89b4689995c36ef98c90e6dc3c049106cb253b3d49dab70f9. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/CAN112300480.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3b48f573605d74702646e9ff91d28f61d8b14208d30636119feb4dd7e1f6d041. Chain 2 (Bitcoin): anchored in block 957073 (2026-07-07T18:39:05Z), 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/CAN112300509.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8637d1528d37769496add8e9d2877c2ebc388d83fbc3fb09624278442f350074. 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/CAN112300510.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x794356b159b2c2f7dc3fb4a3598f97391318a146f47c67b15bf9bf0e45a367b2. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/CAN112300511.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x61a61c54f3d1e36fcf2d3414b70c2d2e11b8f84c13b0764c5df1ff95fd8eeb41. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/CAN112300265.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x794356b159b2c2f7dc3fb4a3598f97391318a146f47c67b15bf9bf0e45a367b2. 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/CAN112300511.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3b48f573605d74702646e9ff91d28f61d8b14208d30636119feb4dd7e1f6d041. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/CAN112300509.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8af514a9fd0daca89b4689995c36ef98c90e6dc3c049106cb253b3d49dab70f9. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/CAN112300480.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2cf206f74b9401ac6bacb0cef2745046285e27af33bc6f2dced54575e8dea296. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/CAN112300107.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3b48f573605d74702646e9ff91d28f61d8b14208d30636119feb4dd7e1f6d041. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/CAN112300509.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x61a61c54f3d1e36fcf2d3414b70c2d2e11b8f84c13b0764c5df1ff95fd8eeb41. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/CAN112300265.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x61a61c54f3d1e36fcf2d3414b70c2d2e11b8f84c13b0764c5df1ff95fd8eeb41. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/CAN112300265.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2cf206f74b9401ac6bacb0cef2745046285e27af33bc6f2dced54575e8dea296. 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/CAN112300107.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4a425e42af5213e0c532bfe02848b671049a9057d9834121271b84470b604ef5. 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/QM24S2105664.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xccf733589bd50e0a4b6144238478f274c11b33b48cc7668acdb2c6930d3b31a8. 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/QZFZ52104794.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x719486397fe3aa6fd62cc758c133e06f97da56cf1728689a92417470859c9650. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/QZNMV2118600.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x02eb38c13f2321102e4b92b2c7fb1ca37472ee83f7aae433e6cb8e004fece5eb. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/QMGR32261579.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6b0d781745cae31d9dfd788498d9d0ff80d9860bdf874d5e34eac916db506489. 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/QMGR32261759.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x03075eba07e86bc6b0afe3ea1e406a7520a366a0d2e8b77d150b5cb1087ac485. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), 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/QZ93L2048988.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5217466e9ffbf1f7f9433f416c0f4e75017bf834cdbb941841326314314827c7. Chain 2 (Bitcoin): anchored in block 957073 (2026-07-07T18:39:05Z), 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/QMGR32249581.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0a99eaf7821dba9a029c98e2f26f249c02e733c411208aa0ce357c046380e42a. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/QZ93L2050817.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfdb9723d5038e4f1d5eb1e2f795dd4f7791b91e19498fe978c46a563636f2b08. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/QMGR32249585.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0a99eaf7821dba9a029c98e2f26f249c02e733c411208aa0ce357c046380e42a. 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/QZ93L2050817.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x03075eba07e86bc6b0afe3ea1e406a7520a366a0d2e8b77d150b5cb1087ac485. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/QZ93L2048988.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x99800db7ca5006beb4691d80219f3490a598e83f82a0e7283c6b757106d0d82b. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/QMEZE1949269.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc7bc8e9937a4c328d88341ea4bfc3422275090c27bd4ccdf44cc4e15f32cbafb. 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/QMEZE1949434.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x58b3db50565ae028ed279da5c8efdce60e1869258637351c6738dd4e80b39789. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/QMEZE1949504.