OpenTechnical

OT-2026-000099291

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, single 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-2026-000099291) never changes.

Identity and time

Publication numberOT-2026-000099291 · never reused
Internal UUID01a0aea2-8289-76b5-b52a-9e0f97238fa5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:20.980080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099291
StatusPUBLIC

Content hashes

Canonical text5450f97e87c614412abe7c481a2fbf5c7ec7f22e7dd75684146812b64547e38c
Markdown777a6fb905866374454b74d87b93c531a976b92e9e8ef2bebc3a5fd20d37a04b
PDF
Publication page6ca7e41ec03c5ea7014e5c6b4565071b40dda7831a4de02b6106999c376cd3ac
Manifeste500deda83e7481e3d07c456de8640bbefa4d9a8ab2e18c7af208deb70ee3a9f

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
SignatureDNplpqCGliaIclLRRn8WSg0wlgfcCaNAdJjM1fZiP61Ad91EKo8fDNK63Sbkc8Oew+dkJGOYQ3uPA5DhCmWnDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:30:45.121124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099291
observed 6ca7e41ec03c5ea7014e5c6b4565071b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:45.104004ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099291/manifest.json
observed e500deda83e7481e3d07c456de8640bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:45.087465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099291/publication.md
observed 777a6fb905866374454b74d87b93c531...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:45.070287ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099291/publication.txt
observed 5450f97e87c614412abe7c481a2fbf5c...
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.