OpenTechnical

OT-2026-000075018

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, manifold pressure sensor, vented before 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-2026-000075018) never changes.

Identity and time

Publication numberOT-2026-000075018 · never reused
Internal UUID01a0ae93-ac2d-739d-bd96-ba1437d60c10 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075018
StatusPUBLIC

Content hashes

Canonical text6c84aa4251a51ad240702c407e1620c6906c827ee1176c5e37961da57e7c77a0
Markdowncbd6dd1b77e0298f468a482c5e820af8446491292bcc2cc398bb34c09ac220ea
PDF
Publication pagea00604a7d0ce083978a68b830490821cbcfef2ee4a29831e1c20c89a20dd4fd1
Manifestf4e1deba3d18098756a87d2923797f7a168f0f1145d07d0e3d2445592650803c

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
SignaturepmGncxCOHbXxaTEUOaSWJf7ni5yjUvC9eRE1bp5q1RvrTrjv8hpBM4826Pf065l0W7vu3Q6L49sIRG8ozPsRCA==
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

2026-09-17T10:18:49.813846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075018
observed a00604a7d0ce083978a68b830490821c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:49.797915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075018/manifest.json
observed f4e1deba3d18098756a87d2923797f7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:49.780224ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075018/publication.md
observed cbd6dd1b77e0298f468a482c5e820af8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:49.762909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075018/publication.txt
observed 6c84aa4251a51ad240702c407e1620c6...
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.