Urban Cone is a Swedish indie pop band from Stockholm, formed in 2010 by current members Emil Gustafsson, Rasmus Flyckt, Tim Formgren, and Jacob William Sjöberg and former member Magnus Folkö while th
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 0xdbfb24af32112b213b74dd37b9f31b6dc83cb22a80070ce42b006bdafae20d82. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/20b21a6e-56c8-483d-a690-d1695a1e421d.json and https://artists.proofprofile.net/proofs/artist/20b21a6e-56c8-483d-a690-d1695a1e421d.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 0x82f1fa3136d0680d2eb37400f868a8311a81d4182164253aa916307d57515dbe. Chain 2 (Bitcoin): anchored in block 956484 (2026-07-03T10:47:44Z), 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/SEUM71100597.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc3a8e4e61192e6271959f3d940c2e8cfb4f7750ef181dd87364af81ca765ca5f. 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/SEUM71100953.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x20bf73db03e188127fed16ca48a8da779bac55858050f899209357dd4dfad62d. Chain 2 (Bitcoin): anchored in block 956711 (2026-07-04T22:48:52Z), 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/SEUM71200476.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeb4c7691612bb854335a10e9542e8d25e7e3ccfc367e58fa97ba0fdf8cba386a. Chain 2 (Bitcoin): anchored in block 956656 (2026-07-04T14:03:39Z), 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/SEUM71300946.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5b9095ee8b6efb17d7c4c0577ab0ed6f1630ba5ff79d8c748a914a408542b867. Chain 2 (Bitcoin): anchored in block 956728 (2026-07-05T01:43:49Z), 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/SEUM71301244.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x044e738867b9150d0ef255d8f270cc972e5ea3039df2b1c752e9791cf91b0c6c. Chain 2 (Bitcoin): anchored in block 956560 (2026-07-03T23:28:02Z), 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/SEUM71200919.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x633dea40201ad49d50af9b6df971acec3737801652420656b9d35bd5a8a92518. Chain 2 (Bitcoin): anchored in block 958104 (2026-07-15T05:34:05Z), 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/SEUM71401330.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x725d3e00189338ed46e665096bc25296f45c8ce9368f05221f2b2bb53b9c4653. Chain 2 (Bitcoin): anchored in block 958212 (2026-07-15T23:25:50Z), 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/SEUM71500494.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x19d374d4f71b9266c15b62d3dc1c4f30fb4e9a4f4af885685929e9d1a172ced9. Chain 2 (Bitcoin): anchored in block 956857 (2026-07-06T01:26:17Z), 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/SEUM71500496.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x26a5a5b24e7f826118de5210179b18c1c13d20de5122aa95d9bd4758bbcac00b. Chain 2 (Bitcoin): anchored in block 958377 (2026-07-17T06:48:00Z), 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/SEUM71401324.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeb4c7691612bb854335a10e9542e8d25e7e3ccfc367e58fa97ba0fdf8cba386a. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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/SEUM71300946.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x633dea40201ad49d50af9b6df971acec3737801652420656b9d35bd5a8a92518. Chain 2 (Bitcoin): anchored in block 958373 (2026-07-17T06:09:33Z), 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/SEUM71401330.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x82f251018342565285d5969a1c884c833428541e9c890b04e5d21bf593a680b3. 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/SEUM71500802.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbdb22ee491c12512ba2db6c8c7b3c9824519d08b5240c528d1fc78297ef272c9. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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/USUM71701991.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x16c82694b72df94de48f656cd4cfb65cd629fadc2dda7db91b174a461b361d4e. 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/USUM71700508.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf42f7ec805ec1188f2b658e7f449e0427e7c0c38bc43c40869c6fdd967dd8326. Chain 2 (Bitcoin): anchored in block 958504 (2026-07-18T05:41:32Z), 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/SEUM71800556.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x019b550e066937bd292ee6717943da19f0005714648cc3d732f863507ada2c72. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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/SEUM71800281.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa74f756e79fb26196c95b86a8e4a64829c39245e731b4cfa117a6435fcea5d95. 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/USUM71616407.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc9779ad7a30ed7a64df4e56c74bc68266981c66a0fe88b7a2426affb97b59635. 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/USUG11501117.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa74f756e79fb26196c95b86a8e4a64829c39245e731b4cfa117a6435fcea5d95. 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/USUM71616407.