Andreas Eschbach (born 15 September 1959, in Ulm) is a German writer, primarily of science fiction. His stories that are not clearly in the SF genre usually feature elements of the fantastic. Biogra
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 0x4442bf5354c8a55bd45601c6ca7178ee01a0df9e3dafd76d43d1ec73d41add3d. 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/e7a25739-4924-44f2-b9ad-94dbb5854b61.json and https://artists.proofprofile.net/proofs/artist/e7a25739-4924-44f2-b9ad-94dbb5854b61.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 0x70c44605898d63c943da12962b06dab11161562519442edabea961a8f1b5633a. 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/DEC712509883.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa49c572a23dedb7c8e39199e37ce7f06b4b346329ea7b37173efae53695eae5a. 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/DEC712509884.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1576fe6b0d8715117bfcec0f7be0d720eec6f6e82028d746c5c86c92a00f113b. 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/DEC712509885.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7c8881e55ea29185b86e79fa47fbbda95035fd3bf3b64b7eb101a080487e2880. 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/DEC712509886.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xab3fe74695c832d1c13fa05c7be6a5e4104e3fc043f516ba6b4a6988fb0a8446. 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/DEC712509887.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x01bab4618227282e391202315b34b51a8307f322b9913964876159e45052b5fb. 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/DEC712509888.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6920bc73ae33f07f65c297425db47aee02ecbca5f1b16c3fc21701b6e770760e. 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/DEC712509889.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x79b079cf225fcf1086bf48cd607e12a800d740552482006f4400120898436ba2. 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/DEC712509890.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x98cf6b9721660adfe191b90ce69c53c2e16807d2d0f1d481500421403ce1b86c. 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/DEC712509891.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8f4f90b85a6afbc814d4981d93299d36cadf37f0514f2543076e55e9a9df8cdd. 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/DEC712509892.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x13541778e0c7705324a6e56e9ae5759b486c45b1a7fe06f3609cb1ce04a59293. 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/DEC712509893.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6295fb1f26fb35b3e3cc79f0861dd39484a65e5493b9373c0ff07baa30873a06. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/DEC712509894.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x24daa5141d00010aba0b1d2f26564c32e07d2223bee6ad9a6ba17b823e69d0e6. 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/DEC712509895.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb9a3fbd0fef3e5a97a5a90b9052f8e0b17a402ea413afe4c36a4564791611869. 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/DEC712509896.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x473c3073d4e674e2d10208a083f28eccada2f6d907d0958c53e7f6dfdb1f6351. 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/DEC712509897.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc935f97d73bb7efd545e8136b0c4d81deef322e40957dece637b068bb46bdcc2. 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/DEC712509898.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6eecc3a74fa77ca1b4fc64b54314f1613b635b47ce2748ca89f31f12426e8a5e. 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/DEC712509899.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc5673f11036c1923b6f9f2ba4f48ac9783beaa9f048f0e969df0debb1f6454f8. 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/DEC712509900.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0f9c592b2c417a79585cbfcbfd3a430747de32145922f55b7bc2ffa85d1334f6. 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/DEC712509901.