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 0xbf0eddfe717a80f2212d2821ac26b9ca54024537865eb762b6eedbf4ba25f8f2. 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/34e7d36a-74e5-4003-97ca-72d34f086967.json and https://artists.proofprofile.net/proofs/artist/34e7d36a-74e5-4003-97ca-72d34f086967.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 0xb6c419ffd1f26307b32482537cc4ffdbb23a43f514f883defbf32d4394694169. Chain 2 (Bitcoin): anchored in block 958987 (2026-07-21T09:04:56Z), 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/INP171100504.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xad00d96b65e864f2c298aaa1ac46005ab0465bce342b7c14e4b4c43f21454f33. 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/INP171100502.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xae6b07a380c8e388d2c8fb41ae5439396502e1fd2236db9a609ba14c563036c9. Chain 2 (Bitcoin): anchored in block 958857 (2026-07-20T09:45:25Z), 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/INS180463913.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x17c1721db9cb86c679980d756d8e642ed0b30726d60dbf45c0c1305718150428. Chain 2 (Bitcoin): anchored in block 959087 (2026-07-22T02:05:55Z), 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/INS180463914.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2d0b56288f405d0a57f7553af0ac19a250ad86d43f0f101f38714b53ae5064e8. Chain 2 (Bitcoin): anchored in block 958975 (2026-07-21T06:12:52Z), 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/INS180463915.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x61760d9c0bc850c6f4a638efc877bc163d803d7f76bc8c0127dce5da0676d5ce. Chain 2 (Bitcoin): anchored in block 958666 (2026-07-19T05:00:30Z), 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/INS180463917.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2852e1cc33a59c675a5a2db07594fff23de91ad9025067c55e08dc651da75dc5. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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/IND221200374.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5b91e0018db52a4c77d2d8be8d1c7446e023b5ce1ab368b1938ad5742fa50c72. Chain 2 (Bitcoin): anchored in block 959023 (2026-07-21T15:22:58Z), 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/IND221200376.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd72e849f9de5e838e16495db50c3ecd1d52d91cdc2273240e34e852e9323673d. Chain 2 (Bitcoin): anchored in block 958202 (2026-07-15T21:23:21Z), 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/IND221200379.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1a8e0cbf89a5b76e488e312f1399af35f1c0438b2193eac69ab7efdbeec30111. 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/IND221200380.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa9c31c366fe0cd31addc123e6d169b456de4fb0b087623ad81bf39c3c027b127. Chain 2 (Bitcoin): anchored in block 959031 (2026-07-21T16:15:11Z), 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/IND221200382.
Kiven Kareya Karu Deedar (Maa Vaishno Devi)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd86c0e461f8f1e37349220d189408006e5fba61a2f9d2b7abea3dfd7cc136ee6. Chain 2 (Bitcoin): anchored in block 956738 (2026-07-05T04:47:21Z), 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/INM231800183.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e90e55162e78ab72a3b5434cd19e517b7379cadc972e79971e387af44226dae. Chain 2 (Bitcoin): anchored in block 957833 (2026-07-13T09:36:32Z), 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/INT281800436.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb32bc1e74b06695b19bc52bd1db630966ba93e5a9a917b1aa591c7eb3fe5025e. Chain 2 (Bitcoin): anchored in block 958650 (2026-07-19T03:36:41Z), 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/INT281800439.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbb8b9283e000d07ecfae75ccf28b1b489718b1b580a0a8f7952ec69a5609b432. Chain 2 (Bitcoin): anchored in block 957898 (2026-07-13T19:28:48Z), 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/INT281800440.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3cfbf5ee93e09198d5b26dd931e3305219d7f0b2e7bb053bd8cd062978edeba2. Chain 2 (Bitcoin): anchored in block 958541 (2026-07-18T11:37:54Z), 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/INS402004181.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x01aee1bfac3785a29417f1e3af66c18282315da365c62e3996c467dd579ba882. 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/INS402004182.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd6e07bc5bc063d06b97f9cd7db61b9f0a8fc13d0b7c95cb3e6258ea0c02ce109. 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/INS402004183.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf708ca9bc092d4c9e852c2fdbcb863ccfab166de972e8d710e6329aced19f140. Chain 2 (Bitcoin): anchored in block 958538 (2026-07-18T10:30:13Z), 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/INS402004187.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfd5fe0514a0202ccf27f51082a72b8387b94687c6182616006d46d98ab97552c. 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/INS402004188.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc1a03c2480764bf4c7db3582f02e700798e79dfc4531a816399192d5f2a72130. Chain 2 (Bitcoin): anchored in block 956476 (2026-07-03T09:04:44Z), 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/IND712009662.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x77d244f398807e41def0cdca8047956985be352fa7ef67b45514ef4404e624fc. Chain 2 (Bitcoin): anchored in block 957556 (2026-07-11T11:14:07Z), 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/IND712009664.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa10c46e43faf62312b04fa25801e52b8cbf5962a0d0f0f385f80b9c0372503c8. Chain 2 (Bitcoin): anchored in block 958388 (2026-07-17T09:14:21Z), 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/IND712009669.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd98cdd1517ba8f714f1063193cbe4500b1507e3f3f78db0badd02b34583796dd. Chain 2 (Bitcoin): anchored in block 958137 (2026-07-15T09:47:57Z), 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/INS402100003.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb30e0380ab6aa2b364ebac1ed9cd32eb0e89b116ffbaac66cfc713354f1f420e. 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/INV350400215.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8b435ebf7096a30f095ebbe00c9fe539f02e0c8a44f2bd689ad69b017864c78a. Chain 2 (Bitcoin): anchored in block 957898 (2026-07-13T19:28:48Z), 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/QMDA72416916.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb30e0380ab6aa2b364ebac1ed9cd32eb0e89b116ffbaac66cfc713354f1f420e. 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/INV350400215.
Hovve Munda (From "Kuriyan Jawan Bapu Preshaan 2")
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xced438ffb820a9681b9c23b5e6cd21edd5a9e1ea9119be46c0fd79c4f953b3b0. Chain 2 (Bitcoin): anchored in block 958846 (2026-07-20T08:14:15Z), 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/FRX872559444.