OpenTechnical

OT-2026-000066972

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, sustained 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-2026-000066972) never changes.

Identity and time

Publication numberOT-2026-000066972 · never reused
Internal UUID01a0ae8f-14fe-7ee7-b781-3489d82ccee5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:07.760615Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066972
StatusPUBLIC

Content hashes

Canonical text131c567758d47b965253dc40286f039d0efb3fbd5be6bbe703abaf81ba10ff43
Markdown7434b836c61a95cdef109a1f57a539b8b376674e8a9ed7c2a591c44c3b7bd2c2
PDF
Publication page9af19db15e9cca725c74d7f1084f41dac658bf381ff05d142425f73f6200f9af
Manifest7de1a66a2fea3e1f51fb1936a12f9550cda0a7a367382acf2b0a873545cd8017

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
SignatureiNw1ZRl9H9gUknSn0Oc00R9wjZMl3HpUl86qWOxDInalR6mAcL4nOK8Jm0i4PnDVR417cQd2MPyIH7mRSjdPAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:32:11.605857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066972
observed 9af19db15e9cca725c74d7f1084f41da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:11.585621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066972/manifest.json
observed 7de1a66a2fea3e1f51fb1936a12f9550...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:11.566487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066972/publication.md
observed 7434b836c61a95cdef109a1f57a539b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:11.546956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066972/publication.txt
observed 131c567758d47b965253dc40286f039d...
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.