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 0x63b41edda3f021bd6282656b50bb104437aa3562c62bdb3612b42230f1d4846f. Chain 2 (Bitcoin): anchored in block 954066 (2026-06-17T08:11:48Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/64077d13-d166-4f72-8c88-70a79c6d1c10.json and https://artists.proofprofile.net/proofs/artist/64077d13-d166-4f72-8c88-70a79c6d1c10.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Vitt Brus, Brun Brus och Andra Bakgrundsljud (White noise, Brown Noise and Other Background Noises)
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 0xcae18bdb3239a4ac030fba7e960029310b948b09652aca668e02d9e2cf49d957. 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/QMHNS1302513.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6ed3900e81714df8994399b9e4a6512e66d30ee27aeab83dfa368a995af582c4. 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/QMHNS1302515.
Bil Luftkonditione - Car Air Conditioners
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc2df43abcac0445be7210f4b6d5cb42ce9d47ec3091b9fb3ccdec6f38b82a425. 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/QMHNS1302516.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5261fdf31a76975561f82008b059ec8b5be42171eaf93acb5196df5ccb0d9ab7. 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/QMHNS1302517.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcf3fb3bc06e6024906fccb4ee58a51f248474069709c5b2124c57fae9dc5ee52. 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/QMHNS1302518.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc1b7c9df15f708643c068a8ccb85a779d2b74e538c24abb8a7d9fe8048fe5d82. 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/QMHNS1302519.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x47d368e0f9dec6b3c877e5e07040612cf5a7451e1f48a6ce28370bf648756d5f. 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/QMHNS1302520.
Hem Luftfilterenhet - Home Air Filter Unit
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x13e737af66a3a5afffe545846056a4284ca86e09651ac0bb97ba09865cba9e66. 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/QMHNS1302521.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5ef2d873fcb7cfa357e0308e35135f8d09bb232ac8f0c2e8d9fe329310e688a4. 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/QMHNS1302522.
Stora Industriella Luftkonditionering - Large Industrial Air Conditioner
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeb04be600825d570ae9c19c7d8e6ac5b9302c436a0a8fc2f104aae0686bce697. 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/QMHNS1302523.
Kontor Luftkonditione - Office Air Conditioners
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1a621b060a1c7ded23144baf3ee239b1c0179eee7e1e24d99681e9a6b71bbc19. 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/QMHNS1302524.
Gamla Pendlande Fan på Hög - Old Oscillating Fan on High
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x38918bc4150faf56d6375d171790717eb8ddcc305dd590ec4d1aefd93c07d223. 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/QMHNS1302526.
Gamla Pendlande Fan på Hög - Old Oscillating Fan on Låg
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x56c0c6f515c8977a185c38b7680165afde90d37349b62c20f8f13d741a89359a. 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/QMHNS1302527.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x84fbf805ae6ab66e09388d8ffac0af97dfbc150d92553ed25e0ba4a26db6f08e. 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/QMHNS1302528.
Utanför byggnaden ventilationsaggregat - Outside Building Ventilation Units
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd4a3476a4a099ec862935ab06692a3f7cb6a39f5ffd1a8575e710b163f693492. 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/QMHNS1302529.
Utanför Kylskåp Enhet - Outside Refrigerator Unit
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4ed26ae5af23a26d2c9f8f1b2be07e957ac25db0cc3bf8aed4ce87c78d6c5bc3. 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/QMHNS1302530.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf7242377a9865003b15a567c4d36e64a3b8847b6a23f83ec64934e0d335b0b22. 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/QMHNS1302532.
Små Pendlande Fan på Hög - Small Oscillating Fan on High
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6907f96985fc31eef9c21929c9c6563b53cdaa928702520c300b493773a25ca4. 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/QMHNS1302533.
Tvättmaskin, fylla och spin - Washing Machine, Fill and Spin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfecb13a949de5634c07d5f44fb13166002bb09e771e676aa6e5ba285cd4c8346. 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/QMHNS1302534.
Tvättmaskin, fylla - Washing Machine, Fill
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x39a4f0d90c0eda1f949192f80a19e4a09f068bc7de6cc237f7402ba8bb0f3da7. 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/QMHNS1302535.
Washing Machine, Spin Cycle - Tvättmaskin, Centrifugering
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x422cc63afd7fd0fd14e3560a2965f9b6351454f453ecaa37dac3b74e1030d6f6. 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/QMHNS1302536.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1f7174a4b78c425c2f72aa41c6d082808b977ec03c741ca6744d1c43dd132188. 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/QMHNS1302531.
Brun Buller med Binaural Beats - Theta - Brown Noise with Binaural Beats - Theta
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdc72549dafc17951282abc49f1c284b6743023a13dde937d3652444735c8dbe2. 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/QMHNS1302514.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe4c4d0a355508c41e863c05b0c1672f3ecd62a24425226e826cb0512ceef8d92. 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/QMHNS1302510.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8bf3375cd773b1c1dc090b1e3e07e50ea4e8ccb2650b896348401dd5426f66b9. 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/QMHNS1302511.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd77cd24cad208c57a9ce430f54c14b28198b4f50d522e8ad54e550184a7aa959. 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/QMHNS1302512.
Barn Sånger för Atmosfär, Meditation, Sömnlöshet och Rastlösa Barn