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 0x3251e76ed906c0bc40729b21bee1de054c34b9f2ddadeacc48d67558251e2751. 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/0e5d4bdb-d2f0-4282-8d67-6be7a10eb158.json and https://artists.proofprofile.net/proofs/artist/0e5d4bdb-d2f0-4282-8d67-6be7a10eb158.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 0x76165756a9138328a47820fad3ba401cbdf0fe469d303f3eca1c4ffe8233014a. Chain 2 (Bitcoin): anchored in block 958110 (2026-07-15T06:57:12Z), 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/HKK972213379.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x76165756a9138328a47820fad3ba401cbdf0fe469d303f3eca1c4ffe8233014a. Chain 2 (Bitcoin): anchored in block 958069 (2026-07-14T21:37:55Z), 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/HKK972213379.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaf35f898f5ab7f39c060678ba27c038594bd3ee3f0402a0ce3f9e621958bd1d1. 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/FRX201914192.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7a4fd7ff15c84fb618ec689df477ee00811aaf1eac66d0ba313fc2fc0ad880a3. Chain 2 (Bitcoin): anchored in block 958444 (2026-07-17T19:12:23Z), 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/FR10S2117347.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4372184f7c2f2fd15b113e826df46d33ce3b0daf2c835e1c651d5ccc7c26b77b. Chain 2 (Bitcoin): anchored in block 957791 (2026-07-13T02:46:19Z), 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/AUBEC2582852.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3da5c1267679e7e1571768aabbe4bbc180ee323123942aacb341d51b7dc51e7c. Chain 2 (Bitcoin): anchored in block 956576 (2026-07-04T02:06:47Z), 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/QZWBE2362970.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8aadc992c5d587bb9c166d0b5639f5dc4d635dbca19f054e33b43f34b95b3af6. Chain 2 (Bitcoin): anchored in block 958196 (2026-07-15T22:55:14Z), 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/QZYHM2318440.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8aadc992c5d587bb9c166d0b5639f5dc4d635dbca19f054e33b43f34b95b3af6. Chain 2 (Bitcoin): anchored in block 958383 (2026-07-17T08:20:01Z), 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/QZYHM2318440.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x675d8c0134b54a7df4011c682ab0ce113879b1c2e863fdc1e57e7fd30d31f416. Chain 2 (Bitcoin): anchored in block 958251 (2026-07-16T06:29:25Z), 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/QZYHM2361902.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x875c908e26b1180976b1b8f42f67b36474c0f4bfded984f2aa72d9231445ec58. Chain 2 (Bitcoin): anchored in block 958448 (2026-07-17T19:49:21Z), 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/QZYHM2366722.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8abdacc663cf1d59977ce7627933eb9a981a8ae16b1b5fd2ef2b010ec288d84d. 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/QZYHM2373860.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8abdacc663cf1d59977ce7627933eb9a981a8ae16b1b5fd2ef2b010ec288d84d. Chain 2 (Bitcoin): anchored in block 958063 (2026-07-14T21:07:34Z), 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/QZYHM2373860.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7de08188b8b9e66c25bc3777f51c98db2407e5ee99b1cf003a49a00efd240caa. Chain 2 (Bitcoin): anchored in block 958176 (2026-07-15T18:04:42Z), 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/QZZ662450571.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2afe5fe44a437d7c8058980dc7ab1c432c2028017e1a50f9dbd8656271958657. Chain 2 (Bitcoin): anchored in block 958058 (2026-07-14T20:20:34Z), 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/QZYHM2316863.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x32e92df5ec0cd983482824f0c3b63c373db5d2b77438486e771e9ac535f13f45. Chain 2 (Bitcoin): anchored in block 958700 (2026-07-19T08:09:50Z), 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/QZYHM2417289.
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Hanya Bisa Merelakan - Official Speed Up
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6d5ad7be88d47df0ff35d8362ee8871ca844c2cce9884a2d5d9453bb5ef37f4a. Chain 2 (Bitcoin): anchored in block 958695 (2026-07-19T07:37:00Z), 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/QZYHM2418344.