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 0xd475e1744e8225b4584fdc475113788747815696e8777694fdc33c4534fb10f8. 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/6be0570d-8f0a-4db3-be19-145760dc3273.json and https://artists.proofprofile.net/proofs/artist/6be0570d-8f0a-4db3-be19-145760dc3273.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 0x3de1e59cc8aba008c9913069cbbc38aef0b18279ae7b9e18f45fc112b9cf5b00. 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/BX0BA2100139.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xba592a0cfd0a2a715ec405c8dd9fd4732e6fa5013e79cf591400ca006cb743a1. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/BX0BA2100271.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xea7c9c64c64f3418dfacea1a4ab2600250a7b8e28e544764e5f150a431a74522. 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/BX0BA2200035.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x830f80a61c35f6a178e60796d75a35178beaaa1a3fb0e551609b626285852e50. Chain 2 (Bitcoin): anchored in block 958959 (2026-07-21T03:51:22Z), 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/GBKQU2397884.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2901eef9addac84f2ccf82dc9dbf080c0914715359b6e454bbc263f8cfcd39ef. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), 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/GBKQU2404856.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x84a96c60b4adc47662fd7871eb18391e6533b1e988ffd7d39f3aab2161dfb305. Chain 2 (Bitcoin): anchored in block 958839 (2026-07-20T07:01:59Z), 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/GBKQU2426690.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x93363513fcfb24bd9a1c53e8591f0cb557dba8f75ff61b9e0cc32af2b7602251. Chain 2 (Bitcoin): anchored in block 958691 (2026-07-19T07:19:31Z), 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/GBLV62410074.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x196de7fa4a60ae97b3e6d00cc30a50dd05fd4016e543aedc3dde8ca9a60d0577. 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/BCZZU2500019.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x327c409cc3775556fe7a167123384dcefe780dac512ff4d535d822f6bf514069. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), 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/BCCNG2300065.
Feel Alive (Tritonia 457) - Different Stage Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x11382eb59e9b50196dd3551cd8335badd307ab389c31037ee0c3e146c6b11c54. 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/GBLV62318168.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9a457cec9d59f69bb6b3e0a058b42a751fdda1f225d1d9b4122ca3307c4e7ba1. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/NLZ542100508.
Love & War - Pontifexx & Different Stage Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf60ceafcb205399a18a0f351f1c687a2754f6cb584b3968d55a0d4ebb11ac166. 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/NLM5S2301903.
Too Close For Comfort - Pontifexx & Different Stage Remix
Too Close For Comfort (Pontifexx & Different Stage Remix)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6ad162d89dbdc89abb8d4a9d341fc09213c5eaf0bfa4f31ff02b6f2a6d143303. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), 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/NLM5S2000921.
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 0x1b7f91f8d75554a57ad679fc0a7686259387e89bd14282c42aebd50d5e5d911d. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), 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/NLM5S2000809.
Running from Yourself - Different Stage Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x86a6e64bcc1eed318108a543a311b3b6320584c41e6845b6cf383d1fec40617d. Chain 2 (Bitcoin): anchored in block 960397 (2026-07-31T12:24:41Z), 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/CH3132115634.
Running from Yourself - Different Stage Extended Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x706d15a85cc96c080901545097db47143f713461a8d6616c5a366f4992d6b77a. Chain 2 (Bitcoin): anchored in block 960397 (2026-07-31T12:24:41Z), 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/CH3132115635.