The Philadelphia International All-Stars
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 0xe39f88efb86be4b6d6c7e78935724375f4f2ddd8c54318bdd5bc9e5480655f30. 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/6f7bc734-6f27-4451-83b8-75dd234d4c6c.json and https://artists.proofprofile.net/proofs/artist/6f7bc734-6f27-4451-83b8-75dd234d4c6c.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 0x91560f34ac15a67cc0e6cc594a2cd07e3f84c896d73169c21ef5f2d8e89a930e. 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/USSM17701197.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0f2e7bfff915f147186475870d2d29a50bc9311f67704d2b194f60cbe30966b9. 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/USSM11407332.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0d7c036cf200cd44c838da5e5857a3d78c34b722d96067726eff86ce0ed9cdef. 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/USSM11407333.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5dcb035f8a4f215a9ad2c52d5d1a9e4b02fd2b14e727d3b54b96227f4cf56b95. 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/USSM11407334.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfea82f1a2f0e1e33d3647cde7a193134645638af0940d8050d4010f7b3d6fcaf. Chain 2 (Bitcoin): anchored in block 957820 (2026-07-13T07:54:01Z), 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/USSM11407325.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x24222669a96b6b34789a3b6e74c46cdae9953b8511910f22bf3af7692aa9775c. 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/USSM11407329.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x73a6b0b4295104385b7be310e850c111fdea80a1ce8317cf9868b2521d2e2789. 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/USSM11407326.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5f17a081a8331bda9264182c2fb8dee3a2ab4fcf8b74383951e05eaf4569c718. 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/USSM11407327.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc1bf88b1ec33bf1a3237bf79c49406d91c5ae0682352b5715492450272a199d5. 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/USSM11407328.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x622e425015534db32da72c70c261caed1d04ee9e9c52d4f5220ae29ec3cf6eae. 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/USSM10309085.
Ain't No Stoppin' Us Now: 50 Years of P.I.R.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0f2e7bfff915f147186475870d2d29a50bc9311f67704d2b194f60cbe30966b9. 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/USSM11407332.