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 0x3d0be02491ee7b9c4f9201cf18f2ba871c1c7ae71c936e0c6b68230cc45e7574. 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/02247ea6-b2e9-4e68-be0b-8dea6ac64469.json and https://artists.proofprofile.net/proofs/artist/02247ea6-b2e9-4e68-be0b-8dea6ac64469.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 0x8b47c627feb75880eec2f54e468e29b9b68908b18b672d71b394acac3893c387. 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/USA2P1445086.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x399378960ab3b47061f71021a95b53332bde91ddecc62ad0759ce299ab8ee7a7. Chain 2 (Bitcoin): anchored in block 958216 (2026-07-16T00:00:34Z), 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/GBUM92000021.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9466a6d5c1201852bb99229a4fb558682322317a4fead63be0c147a88a59be53. 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/TCAES2085828.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa40b72f6c0d45193ccb5d386470438a5e455bbf55aeb99b34e2544eca820afec. 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/CA5KR2082071.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xded8c6c465de86da97374fb2a9a1248d4986415ad5a394ad2b388e662de9cb96. 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/BEN582100888.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb0345f0b955ec151ddf702ada24fb307ec6d6ab04aa2740fafab7cdb103f9a54. Chain 2 (Bitcoin): anchored in block 960175 (2026-07-30T00:16:15Z), 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/BEN582100889.
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 0xb63be0cdc0c352cb9dfb4cf456be97606275d6cf2e443e81b03bceff9e62b93a. Chain 2 (Bitcoin): anchored in block 960191 (2026-07-30T01:51:26Z), 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/BEN582100890.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x45a8d02e90807b60c40acfce4cfe1a14c78f4499776ae37630ec013b945d2cb5. Chain 2 (Bitcoin): anchored in block 960296 (2026-07-30T19:11:09Z), 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/BEN582100891.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf25d5fe0de1dc05ce8c523a9953434018bcf9bce6a5ce071edd4d5a988b2f8f4. Chain 2 (Bitcoin): anchored in block 958823 (2026-07-20T05:48:49Z), 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/CA5KR2229053.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5eb63b24d2c015dca32f0cd20c10270cbcee3968dea75c9609dee240d80ba4dc. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/TCAGK2220321.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf86f40a54fbc72410fbed092e37645b9687b3a362fe8376d609acf962f97c4ec. 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/GBUM92300076.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xad5a68ffcf3c02cc7e352e057dbe7dd3c0f73d7b3c28fbc44a4af9c731b1a1ac. 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/GBUM92300090.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xad5a68ffcf3c02cc7e352e057dbe7dd3c0f73d7b3c28fbc44a4af9c731b1a1ac. Chain 2 (Bitcoin): anchored in block 956776 (2026-07-05T10:59:37Z), 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/GBUM92300090.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcf3c9d0f936d0c50d0479e355a5df0cec0f007045ec0d10628be3c499cdaf3f4. 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/TCAHZ2431230.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0499a210a0d275e64c5965d4b78606134bf8d46b2123846e4032e96c63e7b8fe. 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/TCAIP2452757.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x088116ced63714379140770b52d0a0b773eacdb0a49ce273a92e950e01fce4bd. 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/CA5KR2491692.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6e9cf17f0604255018bfc1aeb0524d04750e6b0f26ba6e08c5ed536281e0da02. Chain 2 (Bitcoin): anchored in block 958631 (2026-07-19T00:50:09Z), 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/TCAIZ2458416.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb5f6dce265fc16bf9e5606e7fbc5590b14ce13e7f422d2e66d29461f0ea3abf3. Chain 2 (Bitcoin): anchored in block 958157 (2026-07-15T15:56:52Z), 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/TCAJS2595435.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7e59af2f805a157cf6f08c3462d4a1aa7d005fccd3f79295d5afe493b44455f1. 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/CA5KR2342626.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x70858dd065d9fbf8acbb63565a45360dfa018124ef14ad5bef2339c7bb5baf00. Chain 2 (Bitcoin): anchored in block 957073 (2026-07-07T18:39:05Z), 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/CA5KR2205917.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x70858dd065d9fbf8acbb63565a45360dfa018124ef14ad5bef2339c7bb5baf00. 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/CA5KR2205917.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd0ccf266bbd1722c656296f836738f7e2cd29d17628628d3df1285d7caf233bb. Chain 2 (Bitcoin): anchored in block 960111 (2026-07-29T13:21:01Z), 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/GBUM92300152.
Unidentified Flying Objects (Point.Blank Remix)
Unidentified Flying Objects (The Remixes)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x72bf25a729da3ff37705d9d7a5af1ccb0fed8a78fd35af30a6dc57cbc042a6ea. Chain 2 (Bitcoin): anchored in block 960108 (2026-07-29T13:09:35Z), 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/QM24S2202436.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x36ce05f453b8c902ec318e253081e3dafc338f09d52516b19e894d6e94ec9ba4. Chain 2 (Bitcoin): anchored in block 960327 (2026-07-31T00:26:26Z), 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/CA5KR2234849.