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 0x220b6591058fdf9eb5462640833a1569ed982c644f63b8fb45b1bb3d92d14561. 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/1ac6b9b7-01aa-4877-8f8e-1d5d06e7c1d8.json and https://artists.proofprofile.net/proofs/artist/1ac6b9b7-01aa-4877-8f8e-1d5d06e7c1d8.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 0xb49b356079c6b6e7048580dc55b553a18cdb596f78e6d19c013186841109ee76. 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/USEEZ1000401.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd751e8c35ebba0b3b4dacb3ce5f0f3c78e0d2d2c6dd41b27b5a8cfd6cdedfe41. 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/USDJ20500110.
Rep Yo Click (Lil Jon feat. Bangladesh, Freeway & CyHi The Prynce)
SUPERFLY (Original Motion Picture Soundtrack)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5219548fd9d06229a1b22e47b9a45d7d6583d134f5d5d162186f8b7c64f4f0fc. 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/USSM11805661.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc06036a8b97b32e193735b9166b10061de2d6955e6224043822b974cbe205437. 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/USUYG1502186.
Coming For You (Feat. Beanie Sigel & Freeway)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x322d33dddcf7a9b678ad0609bb9e98d9d5bbbc7eb519aa37be4b3e6ec85314ee. 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/USDJ20110112.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6b8ad41a48a45452371df1a6912e4bbc36ddd82479a3ae18a139261e3cbe5d72. 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/USUYG1075636.
On the Grind (feat. Freeway & Crys Wall)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa1135d8d12e2062ecbf1499b6464143e14484530c4bd8f6be6e6f6592e1883d0. 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/USAT20701211.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5c587d603915635aa7bb23d33d206a6af32905110b1a387a747207b1ba007146. 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/USUM70621250.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf6367ad73c8aecab5eab43b46f8edf3ed6461912c660e5f26646286dfe262ed6. 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/TCAHU2446758.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc929ea7f417e8b699ca655a2916a2517bb93a5e7ffd0fcafd87daa0e0ec5472c. Chain 2 (Bitcoin): anchored in block 957046 (2026-07-07T14:04:01Z), 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/USA371630786.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xede0ba3ffaf6ccf32ec52da1d43a330a741224dff0f9e910abf32139d991718b. 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/USDJ20300915.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x64101e193edb537d72bad64ef4d0be49017b43c879c415e54c38cfddad415692. 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/CA5KR2095957.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x72839010f205bf0100196ba1b18af6b2edfe52d75f9bb12aad03f00349a3c409. Chain 2 (Bitcoin): anchored in block 960344 (2026-07-31T04:14:58Z), 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/USAE81044669.
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 0xf0734534f74e360470ce0f8f80247323a61aef40c4910c4792c966ba1eaecf39. Chain 2 (Bitcoin): anchored in block 960327 (2026-07-31T00:26:26Z), 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/TCACD1545341.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0d157bc12225241ffe827fca71aed6ddfbe8cdf8431245170759d588d477f6df. Chain 2 (Bitcoin): anchored in block 960273 (2026-07-30T15:42:38Z), 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/CA5KR2095952.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x30a4057ac3fda2fc008a65ea7c854b362b63e3ca3952a7190f2298d09562ac19. Chain 2 (Bitcoin): anchored in block 960294 (2026-07-30T18:46:00Z), 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/CA5KR2095954.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf40b0afedc76e0c5c6bf595eb0f5ece0744d9781d5f6297b07de544351ad9936. Chain 2 (Bitcoin): anchored in block 960368 (2026-07-31T08:26:41Z), 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/CA5KR2095956.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbc5f785ce8804329a3e316f153ca93825cc75e372b5e0b9e818e357ae5d0ef5b. Chain 2 (Bitcoin): anchored in block 960441 (2026-07-31T17:29:52Z), 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/CA5KR2095958.