The suffix -ess (plural -esses) appended to English words makes a female form of the word. ESS or ess may refer to: Education Ernestown Secondary School, in Odessa, Ontario European Standard S
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 0x1661f6c3272d6126bf27a8bd54626db532c9032d674afd29793b219db93a852d. 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/768ea2fc-ccee-41ea-8d79-46a9281e0cd8.json and https://artists.proofprofile.net/proofs/artist/768ea2fc-ccee-41ea-8d79-46a9281e0cd8.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 0xe23c9d90e278c3a6909f9d66ee43c1df29dfb805ff41476c362973143abf352d. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/QMBZ92281171.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2315db847ce822717227c5ce2a61bef3f5689dfb863d131b900a277725163158. 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/QZMZ92267579.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe15cec145857e9bc45441845b830e19dc627adf283115261888f0f4b084695db. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/QM4TW2315377.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x10d7b62ac6ddf1ea03a9aa20e379276215235b9603ff25f34ece902f5ba6fc1f. Chain 2 (Bitcoin): anchored in block 960473 (2026-07-31T22:27:44Z), 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/QZMZ92472805.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xae69748372e965cfa38880600127c71aa7fb1fbf854426b5c46906a26a8b22c2. 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/QZZEB2361001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x03bc5dabfc83e663b01578ed304b93db3ef8c5e8fcdd3f4409a54b080482b009. 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/QZNJX2402214.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x567e38caad920eed0a22ad4006067a155af9325d9251ae2cc0c040cc330fa89b. 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/UYB282366031.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbd6d15231e6e31307a0cc9c0c72ece0a3fa34da72aaf71ffaf928fc1a2bcb3c8. 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/UYB282410109.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd0b29589c29fc46d4220993bf1bdb8533fbb69012d71474821f8a5b4b1099112. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/QZNWZ2358028.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x34e96f11fa8a2ba84e961a039b5b8fff7232b9a5fcfa68f5800fb820a4fbe9f2. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/ES71G2145351.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1f67b67c57749d3e66be59f50dfba162ce93db2db88d8faee3a5892502a93cb8. 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/ES71G2141789.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2d78d818518ff07c31c0bed6433c776fe2afb8af6d108c8490c0f45a81915159. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/ES71G2137765.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x441a93c40aebc61c7219d5088a0f6404ea73b7bcc4e0fe6620fe1ce8f71d2255. Chain 2 (Bitcoin): anchored in block 960106 (2026-07-29T12:41:21Z), 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/ES75E2500506.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0cf23b2167252981d27dfdc5b2da6a8efe085b9c7d3b69ee04dce644cd43c7cb. Chain 2 (Bitcoin): anchored in block 959159 (2026-07-22T17:48:40Z), 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/GBWUL2408175.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xae69748372e965cfa38880600127c71aa7fb1fbf854426b5c46906a26a8b22c2. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/QZZEB2361001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7ba7fe6c99e3d3de71d64cecd9db4ff6ca8968be4ffbe45bd03502300d6e9188. 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/UYB282449781.