OpenTechnical

OT-2026-000093015

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, two stage ejector, 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-2026-000093015) never changes.

Identity and time

Publication numberOT-2026-000093015 · never reused
Internal UUID01a0ae9e-090f-7df6-be5b-dc8d853ddd84 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:27.740822Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000093015
StatusPUBLIC

Content hashes

Canonical textae803dde774b6315cce6798452c6b75f5b229d72a85bd9d1783ed87a16405138
Markdown8805c1aabb0a966e60d749594ba29d263b08b6e2cceca014dd6452668fcb2588
PDF
Publication page7e422e7e80c13b260b4db2f78d88ea855849e3b6c0c1128c4e2b46f7cbdcd518
Manifestdd1aa787ec4f23a2ba84d660875f5068e96b8da22b1dc849c6068f5d2a36692d

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
Signaturek6pgcqMl3IYBUbdWIHeQLBu9aElfIxvhhUMqJg+uVpP0fRJsWURC4CkNDdcb1FSPhTKjrhzr2TBfCx3KsT95Cg==
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

2026-09-17T09:40:13.463418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093015
observed 7e422e7e80c13b260b4db2f78d88ea85...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:13.446053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093015/manifest.json
observed dd1aa787ec4f23a2ba84d660875f5068...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:13.426574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093015/publication.md
observed 8805c1aabb0a966e60d749594ba29d26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:13.408791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093015/publication.txt
observed ae803dde774b6315cce6798452c6b75f...
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.