OK Kid is a German bandEinslive.de Neue Hoffnung für 2013 OK KID (retrieved 4 September 2013) founded in mid-2012.Bianca Schwarz: OK Kid – OK Kid. In: you-fm.de, 3 April 2013 (retrieved 4 September 20
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 0x7d97eb6d4be9125b13b2de2ae69ac19a5adc9181ba0d458eaffa1fccf9625cd0. 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/58f5d0b9-87da-4815-a5a4-be85313cde47.json and https://artists.proofprofile.net/proofs/artist/58f5d0b9-87da-4815-a5a4-be85313cde47.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 0x899603c6ea36a0d113f10adbc781862173f04cda44034cc6ac6a6ad5ef984f50. 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/DEQ321200283.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbeb8c46c069bf0931c88846126770de5823a225b05fc26f200998e96cdc105a1. 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/DEQ321200284.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd3f0ec367efb502c0de13b7cadc1cd82e38d5e1f59a785a2c3792a44cdb09776. 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/DEQ321200281.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x04e57a2572d0398148b2018e8bd495706270fce778ea4638591a7092ae3d8cf2. 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/DEXZ81900017.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x642d088f693d0d549304352f0659f9a5053b460f4a48c56e9cb4ddf3fbbdf285. 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/DEQ321600001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9f6fdeda9a74a34d921ebc8fb300c02375c75d6cf2807de47aa66edabd249a0d. 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/DEQ321600002.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8a66792d6e36ddcffcfe81817e4b9ed0754be3e4d039a10883424f8981e4be64. 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/DEQ321500354.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x42eed99074bdf8a23312cc7f48fa941ceb251c3ef3fe3b8ac6fe86a3768ed7c3. 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/DEQ321600003.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7c0126e452d2049b6b4c43f55705a77ed6affbf541a3600fecf905164d4e8892. 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/DEQ321600004.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6c7f516824927d299db9a855c6e2b42e20b018cf5a9d11974f91faf4432d6b3f. 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/DEQ321600005.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfdf6ed263fe9f00a3825d29faa9968cb88a36f76c916f3bc47ace679cc0b8d33. 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/DEQ321600006.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeb7cd8fdadbba3efd290c99470f5c0a002fe340698c677aa70d49741be968c78. 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/DEQ321600007.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf9b4148573eb22eb47a44d834975e28b6deb94416c7c0da71daa25021d7b2af7. 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/DEQ321600008.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdfbf032dbb0458ed197fb386a4fbf13e1c8dc43b7da786d68fa8382765a8f494. 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/DEQ321600009.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x289b175dac5a61436a2bfaf14ea285c2b70c924f408d4c6e37afea33c20f8bb0. 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/DEQ321600010.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf417c558c65a12086d0bc9524bad52a83b12bfb523949f46c2f0a3f3261811c6. 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/DEQ321600011.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x08c53ff72e968bac7dda392aefc393406fd2f3860b650ef5fa8378117678e888. 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/DEQ321600012.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x24711d4d297cec32bee8d6bf0a9bcc063d346f2743a9f78cb6ae020feef93e56. 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/DEQ321600013.