OpenTechnical

OT-2026-000032986

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, pulsed blow-off after set-down

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-2026-000032986) never changes.

Identity and time

Publication numberOT-2026-000032986 · never reused
Internal UUID01a0ae75-4843-71ca-8ad1-0760c9d6d28c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032986
StatusPUBLIC

Content hashes

Canonical text52e2fc5df79b17b482a64f75865e6c012a5e19ef451195d9270ba2d3aa925ce6
Markdowna9e17278fcdb1c051dab2328612799451a1f669cb952d43bcb10304194a9a6ce
PDF
Publication page4ef9daed2bf0f4c72826766632fd204a194971396bafe0d84a2a7143b205cc2c
Manifest3ced1de98ada04512cf3da7549e810fa7b6029ba366a24c85de9f628a83fe294

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
SignatureE73/9T0/ll/iU14RLFnwhxPi5tR3MhzcPM+0XhA7AZV0n+TZVI45x28HtNUuorriL/QXWtgnRU2awX7J5aWWAg==
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

2026-09-17T11:32:36.008398ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032986
observed 4ef9daed2bf0f4c72826766632fd204a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:35.990048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032986/manifest.json
observed 3ced1de98ada04512cf3da7549e810fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:35.965457ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032986/publication.md
observed a9e17278fcdb1c051dab232861279945...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:35.948071ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032986/publication.txt
observed 52e2fc5df79b17b482a64f75865e6c01...
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.