OpenTechnical

OT-2026-000070288

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, vented 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-2026-000070288) never changes.

Identity and time

Publication numberOT-2026-000070288 · never reused
Internal UUID01a0ae91-545e-7619-8c39-cb5a6da8ddad · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:35.055348Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070288
StatusPUBLIC

Content hashes

Canonical text48bd5723eb0fab3f878c09b6a77f5fdf17a1cc98e123ec29c81ec23eb21316f7
Markdown8b56450432cea88bbf62b3b8e16613882e78d0a568b6f3eda126b5f7723459c0
PDF
Publication pageaa88d903c46e2de15291e2ac8d37ef6431e4b6ea64362981df6b68281593f5cc
Manifest88c9fe03a83420c3bb9d6a4f868e651e36bdd74ba896e6b9a63a7369d0bab2eb

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
SignatureszLkpXlO7PEPM5HGBxld6t7h8JJXzxo6PplDkXCv+bHHbW5DrBT/55ayeOzClrK383oRXG8t3mQOEklT5XxiCw==
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

2026-09-17T10:26:04.394802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070288
observed aa88d903c46e2de15291e2ac8d37ef64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:04.378605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070288/manifest.json
observed 88c9fe03a83420c3bb9d6a4f868e651e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:04.362445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070288/publication.md
observed 8b56450432cea88bbf62b3b8e1661388...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:04.345677ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070288/publication.txt
observed 48bd5723eb0fab3f878c09b6a77f5fdf...
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.