OpenTechnical

OT-2026-000088440

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, pump fed, 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-2026-000088440) never changes.

Identity and time

Publication numberOT-2026-000088440 · never reused
Internal UUID01a0ae9b-5d27-7009-94b7-9ef248eff91b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:32.662646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088440
StatusPUBLIC

Content hashes

Canonical text487a5284ce02d9e0486f8e7189bdd2d9b306a904416a36732614166419bd3270
Markdownb1f456b15bbcf78b441fc55f94ffeb4e1ff01fbc52c2d2f83eb046f382c9439f
PDF
Publication page25ee677f658714b3e3d48fab1ae88b839c1dfdf7c643b2b1f4f77411ccdee9e7
Manifest2fbdfccc47fc3ba4a548096613df4052b799392f4ed96cb3bb57b7338f80a7e6

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
Signature4EpmyrQtss850t7+9S15H6ylGsBS4fHHFzJCJa7N7pq+58WyxFkY5Pk2GdqovmH1GCZb3VflitWVoxYJztUbAA==
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

2026-09-17T09:48:48.993136ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088440
observed 25ee677f658714b3e3d48fab1ae88b83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:48.974280ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088440/manifest.json
observed 2fbdfccc47fc3ba4a548096613df4052...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:48.947465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088440/publication.md
observed b1f456b15bbcf78b441fc55f94ffeb4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:48.918269ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088440/publication.txt
observed 487a5284ce02d9e0486f8e7189bdd2d9...
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.