OpenTechnical

OT-2026-000030041

Publication integrity record

Two cup vacuum gripper, two outlet manifold, three 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-2026-000030041) never changes.

Identity and time

Publication numberOT-2026-000030041 · never reused
Internal UUID01a0ae73-ac4a-76a0-ba3f-3424a37bb043 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:11.501096Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030041
StatusPUBLIC

Content hashes

Canonical text0ef34d8fd153711f7fcc6a5e9ed809942e4d3c789d0b5b263d260d6a58150382
Markdown5aa47c0ac602bb050cd9821dfad534de53b770d2228f471ef19df9e7ebc5c1b0
PDF
Publication page11d610d87558dc9aae86b946fe16e5050edcadf28eeaa78316090044a12ded8a
Manifeste6db50e7241f2b04f3df9b4d6d2eec9d171b34d1a2c439ce2cc4e69aa35911a0

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
SignatureNAU/Te+2YZBBodgzd/mlKpVFyVmEMXvl+0sivWA9qY6yeQt8k5LEHmhm+MR54WCqZ0rq70qhRxC1i4fr8h3eCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:38:46.728701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030041
observed 11d610d87558dc9aae86b946fe16e505...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:46.711995ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030041/manifest.json
observed e6db50e7241f2b04f3df9b4d6d2eec9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:46.694900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030041/publication.md
observed 5aa47c0ac602bb050cd9821dfad534de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:46.679088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030041/publication.txt
observed 0ef34d8fd153711f7fcc6a5e9ed80994...
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.