Sweet D may refer to: Dennis DuVal (born 1954), an American basketball player Walter Davis (basketball) (1954–2023), an American basketball player "Sweet D", a jazz track by the World Saxophone Quart
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 0xb795886e006b686511545ae961f0ea64e759294915e1f1f4606107ff3b4595ec. 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/861460b8-5d4f-43a9-9284-0b7d5fb4e7f7.json and https://artists.proofprofile.net/proofs/artist/861460b8-5d4f-43a9-9284-0b7d5fb4e7f7.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 0xc13b77c63b3b9f21aa2f69e664d0f69fa5676403d92d9c68ae0ca4a84d83889c. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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/USA2P2108605.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x75473881d5d982b0b9fa44a2639b844dea2cdabc96591046c7f9176dfb89b8c3. 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/USA2P2200152.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5019d94a40e101b71bf979ab360e0bc6f4e262c463e17c5051e433416e64cc36. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/USA2P2130203.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7c9dd6d7f68cb32469fd8eda1bf21766828bdabf0962ac4b4a82211365674999. 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/USA2P2124313.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb1b8bcf4d5d06df95926d073529889aa7af2f02f3e636158f5c8ead97dacae3b. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/USA2P2110763.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5ff508a3c7c394556bee6d675cf7a3f6207437c8b9771a736d12a9786c97b506. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/USA2P2110764.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x17901ee0442a1ac03115abd3dc03e742a4d3de89313d9e367841c20923c3b617. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/USA2P2106600.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x520d76b1cb32cca6392c725234e696b81b76b98fdd922ccfe62a52580f4331c0. 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/USA2P2046835.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf56d94426e7b872556b90b8c24d9e22e5ee2dea2f380068e623f0ecc3cb99ac9. 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/USA2P2046836.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x23fafcee1923bf5e28192bb402c80fa7f6c02aa2c71c632511ae1bdc4c2ac65b. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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/USA2P2041350.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3168dd53fa3397f5022182c6f3465120efdb9e8f9f078b94ea399b13fe807931. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/USA2P2041337.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc5c9e96e420706e3abc4b83524ba96377775ba0a6f561d1ef1ad96cbc4eef6ee. 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/USA2P2034607.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa19ff0c8a4901543dc47362c32973d9d010825e76ed119f5521c5a2c8b1db6e9. 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/USA2P2030521.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5005ec446d6a9dc6a0444d5b1512fc2ec33fb8f9f2aebacc1573b4df5a3c3701. Chain 2 (Bitcoin): anchored in block 957073 (2026-07-07T18:39:05Z), 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/USA2P2029606.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xce935b475fc9555d180dd3bee3e9802328e51d31a1936108e40b01ec55dbdbb5. 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/USA2P2040245.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdfcab3936b49113f8aa4f41425112010d5d3ba9392e478a9df4717d7ca11b9df. 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/USA2P2041556.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3168dd53fa3397f5022182c6f3465120efdb9e8f9f078b94ea399b13fe807931. Chain 2 (Bitcoin): anchored in block 957073 (2026-07-07T18:39:05Z), 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/USA2P2041337.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa735ad7f5c8e7ccb7bb852ae66c1c4f1865fb79cfc9dbfc3bc5d5013b54af926. 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/USA2P2041351.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x984194f68229d63afc0ae33f3d14abb40ce170bd8793bfe789989910920a5c9d. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/USA2P2034606.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc5c9e96e420706e3abc4b83524ba96377775ba0a6f561d1ef1ad96cbc4eef6ee. 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/USA2P2034607.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1d869ee1999f7420da3c94813910d269d8deaa870faf483cfda012a3e0972f8f. 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/USA2P2029673.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x984194f68229d63afc0ae33f3d14abb40ce170bd8793bfe789989910920a5c9d. 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/USA2P2034606.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc5c9e96e420706e3abc4b83524ba96377775ba0a6f561d1ef1ad96cbc4eef6ee. 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/USA2P2034607.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa19ff0c8a4901543dc47362c32973d9d010825e76ed119f5521c5a2c8b1db6e9. 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/USA2P2030521.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3992b740ed64fa707bd240f4aaf06ba6f395373efc1c3339a14e5a843ae2f559. 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/USA2P2037010.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0726ad0b027d2d96e7c39305889014d8becd8b68ce76acdcf14530b3f0d388f6. 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/USA2P2037011.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2cbc76c4e41575f11da01b353834ff4acd417b57508661599ccedde3bdfd9001. 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/USA2P2450975.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x78f07d548bcea6ef4002f4e50e30daaf2000c227d1bb16ea424045056e8d5ed4. 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/USA2P2152520.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb1b8bcf4d5d06df95926d073529889aa7af2f02f3e636158f5c8ead97dacae3b. 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/USA2P2110763.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x17901ee0442a1ac03115abd3dc03e742a4d3de89313d9e367841c20923c3b617. 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/USA2P2106600.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2cbc76c4e41575f11da01b353834ff4acd417b57508661599ccedde3bdfd9001. 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/USA2P2450975.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5019d94a40e101b71bf979ab360e0bc6f4e262c463e17c5051e433416e64cc36. 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/USA2P2130203.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7c9dd6d7f68cb32469fd8eda1bf21766828bdabf0962ac4b4a82211365674999. 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/USA2P2124313.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb1b8bcf4d5d06df95926d073529889aa7af2f02f3e636158f5c8ead97dacae3b. 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/USA2P2110763.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x23fafcee1923bf5e28192bb402c80fa7f6c02aa2c71c632511ae1bdc4c2ac65b. 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/USA2P2041350.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc5c9e96e420706e3abc4b83524ba96377775ba0a6f561d1ef1ad96cbc4eef6ee. 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/USA2P2034607.