OpenTechnical

OT-2026-000097541

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, pump fed, supply line pressure sensor, sustained blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000097541) never changes.

Identity and time

Publication numberOT-2026-000097541 · never reused
Internal UUID01a0aea1-55b4-7fe8-855e-6c56f272baae · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:04.087778Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097541
StatusPUBLIC

Content hashes

Canonical text4531ccfae950304a6ef66935cfd2ae4a88765573a484eda61cd66e0680634610
Markdown16e6cfdce966ce6ca33ff84b77abc6287e266fbf3b04fb15fe3c6f195d2cbd93
PDF
Publication page67fc948db02d2b9c22bb89e708743cf5ad53462580754c953b49ba623d94f616
Manifestb60373e5074dc45bb5051cabbd2e4c21805e83f4b421fa1642e41578c167b1af

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signature2fVa5cPvY4TbH84upEQzflRYEPkClc5bG8hfQuXbEz/MzO4l4S4KlInVL0cHSQemCQ3vPJo2TjgmU4Wyi3QTCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:33:25.187378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097541
observed 67fc948db02d2b9c22bb89e708743cf5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:25.168595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097541/manifest.json
observed b60373e5074dc45bb5051cabbd2e4c21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:25.150230ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097541/publication.md
observed 16e6cfdce966ce6ca33ff84b77abc628...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:25.132719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097541/publication.txt
observed 4531ccfae950304a6ef66935cfd2ae4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.