OpenTechnical

OT-2026-000078493

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, pump fed, pressure sensor per zone, pulsed 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-2026-000078493) never changes.

Identity and time

Publication numberOT-2026-000078493 · never reused
Internal UUID01a0ae95-7c29-78c9-96a8-b049dd4caecc · 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-2026-000078493
StatusPUBLIC

Content hashes

Canonical texte5d74948cd6490e8793498828ac9d64d1faf4385d02e73c4e953ea5fb11126f2
Markdown231df153f55585d2567557264eb1342be8e70f05e42f6c1c3711674ca64f5a07
PDF
Publication page8b17c2316633c0cde42ef3b4fd6cb66464e819efb213c9cbfadd0fa2b5a7c9c2
Manifest46f93d53be8a6017b72ccac2115dc9c4c3dd1b22115d808de8e64ae4201beda2

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
Signature96occcB2bI/bs0M+Usp7joF+mJD1F3rm7jWpokgjq99ZjpuWLZTaFJt18vB3WIx38pzI/JP5pPj9ZeUwg3l+AQ==
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

2026-09-17T10:06:30.239018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078493
observed 8b17c2316633c0cde42ef3b4fd6cb664...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:30.220931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078493/manifest.json
observed 46f93d53be8a6017b72ccac2115dc9c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:30.204573ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078493/publication.md
observed 231df153f55585d2567557264eb1342b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:30.185421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078493/publication.txt
observed e5d74948cd6490e8793498828ac9d64d...
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.