OpenTechnical

OT-2026-000089846

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, two stage ejector, manifold 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-2026-000089846) never changes.

Identity and time

Publication numberOT-2026-000089846 · never reused
Internal UUID01a0ae9c-428d-75fd-9da7-7fce9b63a181 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089846
StatusPUBLIC

Content hashes

Canonical text7f6215bd8ee35f183fce2763ff7d7e8b48b8dff9fa0c0ac9a9bdd095d4bf1084
Markdown7dba94190dd6eb226a17e8f98059cb8f7215565604005fe32633b2e99709ac47
PDF
Publication page7fb493185946480bd7649c2044d022cce6c8aad23651aa7695ab03e9a9ea09a5
Manifestff730934e37066edb566d9479c949ccd453df50235e9c6df8f65679ef240cebb

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
SignaturebagbSz08/uZOqoke3FAWsap9x2NjuGFH7+2ndUmjMm76mkzP037ZdDaQICNSCZTVQ48CIJyL3+KET5z76030Aw==
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

2026-09-17T09:45:05.477339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089846
observed 7fb493185946480bd7649c2044d022cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:05.461909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089846/manifest.json
observed ff730934e37066edb566d9479c949ccd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:05.443601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089846/publication.md
observed 7dba94190dd6eb226a17e8f98059cb8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:05.425614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089846/publication.txt
observed 7f6215bd8ee35f183fce2763ff7d7e8b...
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.