OpenTechnical

OT-2026-000031170

Publication integrity record

Foam pad vacuum gripper, common isolation valve, two stage ejector, pulsed blow-off after 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-2026-000031170) never changes.

Identity and time

Publication numberOT-2026-000031170 · never reused
Internal UUID01a0ae74-87ab-774f-8708-64aceddf3a60 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031170
StatusPUBLIC

Content hashes

Canonical textb8043936eff782d2623919ada98880cac81ae9e5f15734a706d9021ed0e58470
Markdownfbbbea59fcdaeec4d6249172d1322a5583b5ba681dc7898966622fc460edd7d1
PDF
Publication pagede1440335304e6c406383368ce27c253356838f0b1c3992e91b67b3a3ba25d40
Manifest5255eb6053f8116db6aa6a79915015aee782b93293ef60f169071ebbc500974a

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
SignaturenxQxeWtgyrz2Z0n45JZGw1ux+7RPCva6TUnJ4ZMYuKE3SPveiipsc04pb2u/oAurEZi1ws9crF23LGDNt9EODQ==
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

2026-09-17T11:35:43.325440ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031170
observed de1440335304e6c406383368ce27c253...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:43.306806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031170/manifest.json
observed 5255eb6053f8116db6aa6a79915015ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:43.283406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031170/publication.md
observed fbbbea59fcdaeec4d6249172d1322a55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:43.266377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031170/publication.txt
observed b8043936eff782d2623919ada98880ca...
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.