OpenTechnical

OT-2026-000099108

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, pump fed, 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-2026-000099108) never changes.

Identity and time

Publication numberOT-2026-000099108 · never reused
Internal UUID01a0aea2-8287-7f3e-8f41-5b153864656a · 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-2026-000099108
StatusPUBLIC

Content hashes

Canonical texta517e8a19831a50b292f8b1e55129e56bfc4df82ec488ef160f7a7370bf0e463
Markdown5e7545b5df8b8b28da801bbebcf18614202e5fe2884711d17f255ec97744abc5
PDF
Publication page43da4fbf6feb7c04c2a7bfb03a09d9f871ce4b2d9f48ed72779cea9d932547f9
Manifestc111c8e9ca55046b669632378bf6e1ddfe81a7457dc12dd73d03692836a13cf9

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
SignatureycYjAlRjAo7dW1YPmLQXb9KfgByEKGRnTbF50Vy1mXaKh32JIMtVcFQ/Vt8rbIaS6uHbsOyRWnEBv1gyJqIzBw==
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

2026-09-17T09:30:21.171707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099108
observed 43da4fbf6feb7c04c2a7bfb03a09d9f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:21.152218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099108/manifest.json
observed c111c8e9ca55046b669632378bf6e1dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:21.132617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099108/publication.md
observed 5e7545b5df8b8b28da801bbebcf18614...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:21.110835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099108/publication.txt
observed a517e8a19831a50b292f8b1e55129e56...
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.