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 0x7acd8189cfa853f5a377a0fd5060f7395ecfa9e8f0f403f632929f7628c028cf. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/a4d2eef6-b34e-4bd1-aa8b-03eecab072fd.json and https://artists.proofprofile.net/proofs/artist/a4d2eef6-b34e-4bd1-aa8b-03eecab072fd.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 0xaa8de4df6a1f5d9f0aa8ca8f853881bbe61473d33dc3ca7020b94665a06d8d98. 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/GXBAV2317601.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4bbb69f9eec3a313dd79c716ce21a335ded0626b06a43da69a847dc197fb6684. 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/GXD7V2486904.
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdf7eddfe0d0fbd879c958b9b45ee50f32564f5b7b8e3b3db83384348d0d59723. 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/GXD7V2434830.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc58b0240ed1bbb83b75dcb35fc8037d7e4e3fd22bbb6e7751ff413d5ecefcd33. 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/GXD7V2480198.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6dd89d106b18abee624c11648a10803fc7fb29278133def499d0f7a0610fbf1e. 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/GXD7V2499997.
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x308023fdea28cd081136aefff288b3cdefef8672ba121db2b828efcf71910401. 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/GXD7V2432331.
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x24fa447f482eb4a870d887fdf60117fc2a05eb5f6e09bdb64ebcab0396da57fd. 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/GXD7V2441822.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x49b2fb6bf42e917db7771576dc9e66fc533000e6ba9ffe97e0f05f232e87b1a8. Chain 2 (Bitcoin): anchored in block 960229 (2026-07-30T08:30:10Z), 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/GXD7V2452083.
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
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbee65472ad75ef6e8d6a13794b3973b1fae0c53f5bef71744a1c02c2d4c6a397. Chain 2 (Bitcoin): anchored in block 960284 (2026-07-30T17:23:26Z), 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/GXD7V2496262.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7fd001c115ad5c05caa07af83bdf3e29a3e2ba94097a6e96c4cedcffbc8e8a1a. 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/AUMEV2457919.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x621b13e7d81d6762fd9fd4993fe8a26570c775b53bfc7473368b78a64b248b01. 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/AUMEV2457951.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc26f51662f0adb2489238e8dc738a5824b5e9249ce9bfbf26aab1787475f6ae5. 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/AUMEV2457933.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0067c39b160782210fe0fe3cfd34f99da013af327c7cd14745ff2ebe97cc98fb. 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/AUMEV2443819.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2940bb84c1b30a922b69d66a3f8a348377885d39e550db1ef27e8ee1cfd2e5a8. 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/AUMEV2443823.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc396a6709da99d479b79be34dfcb4fb4daf3b550405fe5103d185ea6abdfc483. Chain 2 (Bitcoin): anchored in block 960418 (2026-07-31T15:20:15Z), 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/AUMEV2443815.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4bed314513ff2411f6c638ca6dededeba18137e2db72ef8655a27e550eb3bc3c. Chain 2 (Bitcoin): anchored in block 960419 (2026-07-31T15:20:33Z), 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/AUMEV2443820.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5d2e58c1b914debcef4501af9a5202a71f10764c9e211361d12bbd8d4c0d92a6. 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/AUMEV2443062.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbf75abf2ece9bccd0fa39ab0e76cb7812cb7ec42caa21fde7d8b02cfa71ffa00. 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/AUMEV2443064.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8a48210b3252af720ee378ed49622545c11aec40d23c612f65cf6677881c8f5b. 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/SGW502414624.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd98f082ec00262fbaa38f842420d6b01bfee5c33f64513175ad72344800f088d. 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/SGW502414623.
Hoje É Dia de Cachorrada Noite das Safadas X Beat Vem de 43
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcff67f24ab15d3367cd21f986ff9bd9fe853c602f0252a79c8d6b91e1a0dd685. 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/SGW502414628.
Eu Não Tenho Culpa Se Eu Nasci Gostoso Assim X Funk Rj
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2b73d5b116e1fd6687c537b264305e1317bac3101b90a9af49363d8e8a39569e. 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/SGW502414625.
Imagina a Merda Que Eu Arrumei X Equipe Little Hear
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7d6fb93b71f37806d12f7af4a1eb99e1608a882003a1c41ae4e6874eb7f04c0f. 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/SGW502414629.
Hoje É Dia de Cachorrada Noite das Safadas X Beat Vem 43
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7bc6960e5f40dddb0c6581ea0d367409d00b3a59d03208454c3e2eb9b91861b3. 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/SGW502414627.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x63b217e4f4d58a613a9075fd3f2268371ae18684e64e293835389d26cb251c6b. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), 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/SGW502414626.
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3dc1a19bbb67e2d000e080d24731f0be08c9cd64220f1e96c5a45afbe930772d. Chain 2 (Bitcoin): anchored in block 960203 (2026-07-30T03:35:13Z), 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/SGW502414630.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1606eb87d0b54f97e43d383ea342f53c02d4c2e51b0615ee6335614ad7b4b430. 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/SGB502439232.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe3dddc6b0bc0ed88f99345a8ed981ee2f38a76ee28e3d871161a7959ff16e19e. Chain 2 (Bitcoin): anchored in block 957055 (2026-07-21T23:07:07Z), 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/SGB502454533.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3b9fbc323e92279103ed695133f207fcd17c8997e1a89caefee3b06021949644. 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/SGB502459045.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc5d45377ce60caba89758da40d7ab31646cdd471d45c50d4fc02c705954fab5d. 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/SGB502459049.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x58c4ee2e1c85dec3301cd1e647cfbbaf9eafabe96016f44f692d43202422b081. Chain 2 (Bitcoin): anchored in block 960095 (2026-07-29T11:07:37Z), 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/SGB502459043.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x31f02a0a735a3ec7bcdf879ff42355d111bb15910a764464e9a005e0fd9100c5. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/SGB502454713.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc52b7847ef811eb6e5909d04696cf2070b1528c897f5dfff5169ceb8f0ec9cc6. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/SGB502454712.
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