OpenTechnical

OT-2026-000036979

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, pump fed, supply line pressure sensor, pulsed 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-2026-000036979) never changes.

Identity and time

Publication numberOT-2026-000036979 · never reused
Internal UUID01a0ae77-7740-7220-aacd-e9b6b88d2719 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:20.049316Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036979
StatusPUBLIC

Content hashes

Canonical text40e80c7782a5222acdd1e41aaf42ed184b2cf15d492c3b1a73320a455c1e3a42
Markdownb316c272d21a98ad395a2fdc9f132847f98dc76e8851fed2527911f6d690fa10
PDF
Publication pagedce22235afcf52b785619e74dedcf4d5bdc795ee2431893c1e649840ab21e516
Manifest0c3566be07461076c645f6dd4ae5bd9150f6806cc7dfe70c31a6bdd006bed788

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
SignaturekKfNdAiKuaOc29wEnI5Ci78EZmxRl9Str2jKvr/Ap5sgMQlmnA/HIDLj42G9N3ENWddlr/t31Zy3mjhtyiZqBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:24:38.300775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036979
observed dce22235afcf52b785619e74dedcf4d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:38.283898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036979/manifest.json
observed 0c3566be07461076c645f6dd4ae5bd91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:38.264507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036979/publication.md
observed b316c272d21a98ad395a2fdc9f132847...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:38.247435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036979/publication.txt
observed 40e80c7782a5222acdd1e41aaf42ed18...
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.