Datura is a genus of nine species of highly poisonous, vespertine-flowering plants belonging to the nightshade family (Solanaceae).1959 Avery, Amos Geer, Satina, Sophie and Rietsema, Jacob Blakeslee:
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 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 0xe1f13cfeb44d796b7cff25d2661e92c1a8515faa450066afde6fe1201ccc5a39. 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/3440227d-385f-45b4-92d3-e19b04d008f8.json and https://artists.proofprofile.net/proofs/artist/3440227d-385f-45b4-92d3-e19b04d008f8.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 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 0x902100edba41fbd35fb328ff804a442134229db3b8180e07e6f7806db8cf5852. 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/ITV952300205.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe74726d5327472a030e4e8c671c8bb6ee0a74fd1081a95fbd47951ae013ed623. 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/ITC942006739.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe9e29478ad014a717c1a4bbbd2e9a48697df66e88a11a0fdb1b70bca4aee1872. 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/ITC942006745.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd600c7ce5a5b9d4a565a081f0902669c96891cc21eb49d982d518ec4d6940bbf. 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/ITC942006747.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9316dff8cb5f776ff406888135316a356de36f70a3ed3e0bee1e404e44e77474. 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/ITC942006750.
Fade To Grey - Datura & Federico Romanzi 2019 Radio Edit
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2d3522d1a753e145f3b842086af0ddcae297f19d370968388ec3ab574160f4ed. 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/ITC941908242.
Summer Of Energy (Gigi D'Agostino Viaggio Mix)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x17bbc5268cdb5ba608a67eb1b0920f1fe7d94c7d78b4978bdbdd7ff6d17ca9c3. Chain 2 (Bitcoin): anchored in block 957819 (2026-07-13T07:53:33Z), 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/DEA310909025.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x11f00a362f1077cad70feaea3c47c26956f0776b016e1d6248c8c2d9d0fc179b. 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/ITC942006757.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x43bb514f8a804e8c9de5e1a4f81d6be29b08d0340326fffb98b48d7c6b387336. Chain 2 (Bitcoin): anchored in block 959144 (2026-07-22T15:38:35Z), 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/GBPUP0835011.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe746f09cc8bdc9bf058941b7fce221ad227d763fefddb07c69ff0d3c6eb70f6b. 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/ITC940200528.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x50e6862a42aa78ad629af443854709f84ef5aca9493099be2ebb467112e9343c. 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/ITL010100667.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x85ed44daeca2f2b6cf440c2432d7bd31373f42771e8dfdd2a95cdcc41a471cca. 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/ITL010100668.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x79c8c6fe286207bf57f9364941985691045d61c995d821b755f1b6a6732686a6. Chain 2 (Bitcoin): anchored in block 959159 (2026-07-22T20:29:32Z), 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/ITL010100669.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6c373c07a81ecd659ab8cc225ce9d8c6e5a1d369159f202489e500afb0f74eef. 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/ITL010100671.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x36ddb3e2e842d684652356a101c2d095fe9ebd6cec7b3978bc604115c545cea1. 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/ITJ040100035.
Yerba del Diablo, Pt. 3 - Datura 2K Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x82a4ebe5eab80fb48d463e20fbed079eeffdfba0bd1b1765863fd298bd8ca58a. 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/ITJ040100036.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xea8dc59417662a05cbf5e783c9dca1de5eb8494e36bdc4c0ef14fbf707288f62. 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/ITL019701012.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6a18fee5fe57e8f710f019e74b4520362059ad0ee5be24e84cc4d3d98ebb06b3. 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/ITL019600401.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdaee8b8411b65e20315f68b475adb390449e9fdca674349c06c86a56d89a62c0. 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/ITL010400423.
Live Remixes (El Sueno - The 7th Hallucination)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcd8afcaa10cbb9598b1a1f41e8215d2cf6db4ca9fd4b9597ad5c50d74c0da82b. 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/ITC942006767.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9b708602b89ddb90f1782746dc5f11b61db08523cc2366049697af24c7328f67. 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/ITC942006799.