Maschine (German for machine) is a hardware/software digital audio workstation developed by Native Instruments. Maschine consists of a controller that connects to the included sequencing software, whi
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 0x502c0f75bf61081430c19413148ae9ee2597554eb49eb3edeb8b47cff0925ba7. 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/0d44fce4-fcf5-4067-938f-ff58f976bf34.json and https://artists.proofprofile.net/proofs/artist/0d44fce4-fcf5-4067-938f-ff58f976bf34.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 0x274ccc5c9ee1e49f67c0cf936c856b9acc525c3bd23f5f2de3fe0c284e824db7. 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/DEOS71400004.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd2a1f22b1dc6fa768436731ba7c3abbaacdd468a8bee0f5574e0018c274754aa. Chain 2 (Bitcoin): anchored in block 958830 (2026-07-20T05:30:12Z), 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/DEOS71400008.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb8e86542a6c93e492af7104147d25296a5c487b3612a892236f3246c34486c11. Chain 2 (Bitcoin): anchored in block 959107 (2026-07-22T07:19:23Z), 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/DEOS71400012.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa5eaf0ba3fb59e132a1736ebc2b255b282699db30f81a9924a0a1518de47f27a. Chain 2 (Bitcoin): anchored in block 958176 (2026-07-15T17:14:36Z), 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/DEZ902100204.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe7c824971d66233e2c276493048f58d82161f7b2016f680fecf1d5831ca9a534. Chain 2 (Bitcoin): anchored in block 958951 (2026-07-21T02:01:41Z), 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/DEZ902200284.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7d46f4136bf0cc30b8d7ff86ed3dbcc3dfc3e27519ea5504d822e0196a4635c3. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/DEZ902200289.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7ee561edbd9f0e4bec392b2f6f7bcdcfeeb29e8e2039e181d6852ce9edebc8a3. Chain 2 (Bitcoin): anchored in block 959009 (2026-07-21T13:14:47Z), 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/DEZ902300761.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4da6d0fcbbd0136a8ae113b09bba5d0315de49a40839c491ba44aaf94a0a9659. Chain 2 (Bitcoin): anchored in block 957874 (2026-07-13T15:43:57Z), 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/DEZ902300750.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf6a0417a2d6d3744a16e3ad7c39e12bb4b3397ee8ca7d263bb5220524b135d03. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/DEZ902300751.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbd5353f709df5260a145640918269c11da095d469d8e0621520ec10b1135805a. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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/DEZ902300752.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0e8d7fbfcd80fcdd7793a8b103796ee4cf7b619a0f04aedc119ae5f65267164a. Chain 2 (Bitcoin): anchored in block 959051 (2026-07-21T19:48:03Z), 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/DEZ902300754.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7ee561edbd9f0e4bec392b2f6f7bcdcfeeb29e8e2039e181d6852ce9edebc8a3. Chain 2 (Bitcoin): anchored in block 957872 (2026-07-13T15:39:45Z), 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/DEZ902300761.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9eb3cbd434f663d7c054e3cdc1dc3720b858251d8e970e7667c99b055aec83bd. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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/DEUM72118818.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x009c189e76dad32a24ab245ef8d2067d878a1776f2b9825f80e7cf43f0e47c13. 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/DEUM71723715.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x16e82641fa36b65d9d4c9435ad3f571dfc09ec43e54ecc40aadb096dfbf72828. 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/DEUM71723735.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf330c2ed1567363b4789d5676552776dd86261c23ebe3d3fa4e23df85bb1728f. 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/DEUM71723738.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd2a153deb44669db7801728c6d6084a85937652f93a284e13c1a0408585f8f92. 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/DEUM71723737.