OpenTechnical

OT-2026-000078478

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, vented after set-down

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-2026-000078478) never changes.

Identity and time

Publication numberOT-2026-000078478 · never reused
Internal UUID01a0ae95-7c28-7fd2-a888-3cd1a529d3e9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078478
StatusPUBLIC

Content hashes

Canonical textf4dac9e14ad6ef7acd588dbbc249a515cc43ce131f82118fe43d301a8f15c481
Markdown02dd54d16a75ee434784c6a3514abd1ca71f1b5b6dccce960829295374c263e9
PDF
Publication page60dbadcf49430d1862b639effad42caef331faf7ce7c51020d2c47de7eb23bfb
Manifest4ba9c51856036ba7b6c1fa30f9d0d121679e2ff0f71b3cad7d46788aa2543139

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
SignatureLtb3ByBVARoHvfiakFZRboYT2/4a4dWrkqGT/MegjuvOcwCTpezVCBu6/mJIyOw11cSxWRwoTgN5KthGkAYxDw==
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

2026-09-17T10:06:29.228003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078478
observed 60dbadcf49430d1862b639effad42cae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:29.208781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078478/manifest.json
observed 4ba9c51856036ba7b6c1fa30f9d0d121...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:29.188668ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078478/publication.md
observed 02dd54d16a75ee434784c6a3514abd1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:29.169187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078478/publication.txt
observed f4dac9e14ad6ef7acd588dbbc249a515...
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.