Daniel Porter could refer to: Daniel Porter (pirate), 18th-century Caribbean pirate and trader Daniel Porter (Canadian football) (born 1987), American player of Canadian football Dan Porter (1931–20
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 0xa85f8b566d908d556a36f5b9e9a23520617afa991287c635654ee35335cb48df. Chain 2 (Bitcoin): anchored in block 953626 (2026-06-14T11:41:45Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/278a329f-ea56-4fd1-a7bc-6a12821da542.json and https://artists.proofprofile.net/proofs/artist/278a329f-ea56-4fd1-a7bc-6a12821da542.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 0x1d64773ae1ca1714b1e2c73159f5c6cc1ab9a15e9bcf8e9928a420d3a12dcd8d. 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/QZ2EW2300040.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbae1d490961cc67d1adceaf7e87dc247e56f26ad3649ceb3836f883b845d17ef. 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/QZ2EW2300036.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfbcb3b518cf1b4a8d82a0bbab62d7e3cdd46fb4d858645a978e55300f7611182. 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/QZ2EW2300037.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1f9f3741082600bce11361708aa54b012588ece9ba7f86b3a3f86c23bf04c916. 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/QZ2EW2300038.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x92aff2e5a4846525664a887e0050150482f1d23a540b287883e2ffcc4dd61450. 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/QZ2EW2300039.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x00798a70e4cac32d58ebdc84f899e102d3322850ba898ce681bcca5d96367d3a. Chain 2 (Bitcoin): anchored in block 957041 (2026-07-07T13:25:45Z), 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/QZ2EW2300042.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8f262fc3ec2a9cdcee791cf65fbf4f1cf09936c3cac616905bcac9ecef7e406e. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), 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/QZ2EW2300045.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x411139b9f8f3e519af14519e8ac47ab6ba1f715379911e9970fbc0553f0755ee. 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/QZ2EW2300048.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3a69cfdd8810772005271d1110bbe883c0c4a32541463096d6bc909b3b8e1ab7. 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/QZ2EW2300049.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xff94f557072136eb85f5703c0a2e06f5a1926cc3602771c2491983716ecbe0fe. Chain 2 (Bitcoin): anchored in block 960117 (2026-07-29T14:28:24Z), 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/QZ2EW2300041.
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 0xae39bcb851395941b3de8a92166b5fe92749e1f2ac6a18fbec72baf1d5f46dbc. 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/QZ2EW2300043.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x84214d335e5c884650a2a1ab048dcd99ef28036f02c64adc68017910d0b37894. Chain 2 (Bitcoin): anchored in block 960105 (2026-07-29T12:35:17Z), 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/QZ2EW2300044.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x615aceb9802f8130fa2822b91eff098ff668e19efbec286e38c7695a1f2ea319. Chain 2 (Bitcoin): anchored in block 960145 (2026-07-29T21:13:37Z), 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/QZ2EW2300046.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb0571038454e97cc1e2856bbd1222dae1800892c58df4ccd29995dae40214dd2. Chain 2 (Bitcoin): anchored in block 960150 (2026-07-29T21:51:49Z), 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/QZ2EW2300047.