ESP most commonly refers to: Extrasensory perception, a paranormal ability ESP may also refer to: Arts, entertainment Music Albums E.S.P. (Bee Gees album), a 1987 album by the Bee Gees E.S.P
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 0x97159837edecc3dee5c46a288977a2f5a24ca964975c79c5cc2930cbe911805d. 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/4c58eec3-4e24-4e52-8b6f-ff5bb706e02f.json and https://artists.proofprofile.net/proofs/artist/4c58eec3-4e24-4e52-8b6f-ff5bb706e02f.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 0x9589b0ecac5a790fbde6c65fcd28b1529b59f58a7680b765f57ccc9e75541b7d. Chain 2 (Bitcoin): anchored in block 958202 (2026-07-15T21:23:21Z), 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/QZMEP2041955.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x99a560aa17e221bdcbdceb363671f8f0dc5e7378ee7b82ef4d47323abbd6ced5. Chain 2 (Bitcoin): anchored in block 957629 (2026-07-11T23:44:46Z), 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/QZMEP2041956.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2c9b188f45abebcbad47c86f78ba24a37aed79c8c31a96249028a32c0fe33c2b. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/QZMEP2041957.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2f29eb9f822c29d66aac1e481d30252160bd7bceb86df54cbeb6654236a66d1f. Chain 2 (Bitcoin): anchored in block 958543 (2026-07-18T11:58:44Z), 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/QZMEP2041959.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xece69e10caf5184190cd1e8f3b391f695ad196b6e9b13c3e0f689f1f27c0d43e. Chain 2 (Bitcoin): anchored in block 958300 (2026-07-16T16:14:30Z), 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/QZMEP2041961.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1e44651cff82989588111164cc5ef872c7c38c7c579039cd4ef2c96483f5e65c. Chain 2 (Bitcoin): anchored in block 958157 (2026-07-15T15:11:06Z), 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/QZDA62106920.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf1737683ae7362d8eab8e98367da0b1e383e1c1ff3f2ff9fe92498a6a8ccbaa5. Chain 2 (Bitcoin): anchored in block 959058 (2026-07-21T21:09:36Z), 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/QZNWZ2167291.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa3ecd1571cc98444e3722b75ac9bdd1a990f04537cd542ea167722c91dd8d506. 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/QZDA72285437.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1dc2970d72fde67547dca1603db1727f1429eb968b014117d0c363d9bef1039c. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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/QZNWY2338343.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5adb9fc5010900fc14424f472ab7c615446b3a38b8fb0e21192cc9d586e5e5ad. 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/SE5AJ2201909.