Otto Jettman (born 6 May 1989), better known by his stage name Otto Knows is a Swedish DJ, producer and remixer who has had a number of hits in Sweden, Belgium and the Netherlands and has collaborate
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 0x50f30320ab83d98072b19e78dd04db5d2fbeaa5657f09ea1fb7ae1207f49aa19. 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/412b39e8-cd02-48bb-86f5-4a255c945e12.json and https://artists.proofprofile.net/proofs/artist/412b39e8-cd02-48bb-86f5-4a255c945e12.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 0x284b8284364f349248d68b647f1426714255973ef0213e1066ad5fb8ce101cfa. 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/BE5KW2300464.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xed76798a145658cce909fdfd93821dc6dd5ef2e60daa0d7662d08860ac658056. 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/SE3T62301501.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9ff8bf6a5099d109cc67ddf5def35a004095b63870ced3efb548a31ccb651f37. 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/BE5KW2300210.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf887f18fd8d544e02ea5a21694622edff93899797acfa806dbe42f15890ff559. 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/BE5KW2300198.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xac491d1cf9f107682e5b799382b89df398bf5d9c49c9de272f690286b4ca6345. 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/BE5KW2300186.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x67faaf35d28b492b3e43c92362963dd4c653d1952c84228e46d4b3eba218adac. 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/BE5KW2200165.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7f3d66f3a19079721f40f64a3e89177bbc1240aa54287c39e575ea3b3ce471f8. 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/NLM5S2201769.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf373a1907c95706a41d095e56186c64413363f62a8884d956dfea828e223575f. 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/BE5KW2200075.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdd045da11dee9ecbad14edeb7cc0596cc217a3e980fc109fa6a18ff00cb6330a. 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/SE4YV1900301.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x61c875073f93b742d41bb3525fd54c3dffea52f28a4bc7719ccf2c67143930b8. 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/SE4YV1900201.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x55a267300965a6adda7f9f58ae330832c69e94946282667706d3caf57a718e59. 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/SE4YV1900101.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x496b4aca36e04c54439b9af75a8d81a4720470b79de8ad600f47b44df8c4d45e. 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/SE4OX1701201.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe3acc574988f3803625c6e8fe04dde3753e008bc9a67870fe89212c5e6e181cb. 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/SE4OX1700401.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf8d3b3772ceb8c0a67c470e08e6125af2051820c9d002aee5391a4b4332c3ec2. 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/SE4OX1601401.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9e49e7de9f5836c05d332cbee21ef0f7c5a114b80a304c46a8521cf817ce7fb6. 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/SE4OX1600112.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2c3f0a5ef4b76bb2dbcd667233dc87aff2dba18b633eed43759dfdb5cfdd1b9c. 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/SENAA1601601.
Dying For You (feat. Lindsey Stirling & Alex Aris) [Remixes]
Dying for You (feat. Lindsey Stirling & Alex Aris) - The Him Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xec79167dee09bb7d3f87c9746ab7e5e467130941892acf836c5fbdd0b0113b79. 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/SE4OX1600104.
Dying for You (feat. Lindsey Stirling & Alex Aris) - Didrick Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7a11fd449cf2671f895600adf7e9211991f164475d84be60d78ecff7abbf7610. 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/SE4OX1600105.
Dying for You (feat. Lindsey Stirling & Alex Aris) - Jetique Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x14f29153392af4aa86597fcda99d4c0a72087aa780c961960fae81cc55d752ee. 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/SE4OX1600108.
Dying for You (feat. Lindsey Stirling & Alex Aris) - David K. Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1078b836231806112a26c1c60dfe3292cb323cb0b72224f8cb69269c71435b57. 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/SE4OX1600106.
Dying for You (feat. Lindsey Stirling & Alex Aris) - Oliver Moldan Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb42216526ecb452190239a6b08d0a5894d63a975c9966c12b2f939bdbc7a0e36. 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/SE4OX1600107.
Dying for You (feat. Alex Aris) - Radio Edit
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf6fe8b5a41ebfc69315b5e70e3d1ffcee90c1a2c978d89318997d9dcc80d5c1d. 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/SE4OX1500118.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc9c3f7cc3c32f765bcf0a4c88fa3370e871acd16808e26f64afdac521dea75c2. 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/SE4OX1500109.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x31269b2d32eaf10bcbbdd9809aff6e944ac542fbff63b73b51b6b7f318b9a241. 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/SE4OX1500107.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3999a153314b7c9126ca1901f219a414bf93bfd46cf2ef26dce2a43e42156358. 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/SE4OX1500105.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf83fa7f413cc41303c3b18dfe0963c77a028085072eb58cad84957da5ebc560e. 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/SE4OX1500110.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8ee8751ec6fa613d9cfc7a1b44b79dd8ce90e235d8b6614d0c8d8c250cd799c9. 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/SE4OX1500106.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3999a153314b7c9126ca1901f219a414bf93bfd46cf2ef26dce2a43e42156358. 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/SE4OX1500105.
Can't Stop Drinking About You - Extended
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x105c728a3e4bb44ac5fcef4049f1526da20e7b4b50987cdd71626fb0a1494bee. 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/SE4OX1400101.
Can't Stop Drinking About You - Radio Edit
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7f1deecf2ec5a2aaf509b1d75683cbc24567e61f0d19b0774d0ea403c8eb90ce. 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/SE4OX1400102.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3ac62f37d2442337de9cadd65fc238f4eab007256799b645816cfd7601a19e71. 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/GBJ4B1400210.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa1d1c3ad8a827c2d019a37955b9313861cefe2c4afe3b510579a5707ac84dc19. 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/GBJ4B1200107.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb0c26f74bd65119789c6fb5bebf590217cb1fb56264e424541011744052a3680. 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/NLQ201000057.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc33f9de9bb38498eaa2268c492f5aa97e024d11a435c338afb7ef2709d7ae772. 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/NLQ201000056.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5f1d81e0649c9ebf73f1cfbaa938fec6e23f209efbdaf5ac1e32ee9ee4269b2e. 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/NLQ201000082.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfe27896a2e492f2418d3bd628654860f1e45e461f47fc73302e7bd054a2bedad. 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/SE5R71700133.