OpenTechnical

OT-2026-000066814

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, pump fed, manifold pressure sensor, vented after 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-2026-000066814) never changes.

Identity and time

Publication numberOT-2026-000066814 · never reused
Internal UUID01a0ae8e-ce43-7bfb-b771-6551358c04bd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066814
StatusPUBLIC

Content hashes

Canonical text268d7d3d1668606345b584e15d1cad90bbb63117398d715aaf8eb52b4bec7604
Markdowncb8f060c2e81ac45f314a96a7dc544904dbfd94bca0238fa6533c85a22cf7e0a
PDF
Publication page625488d9579903ca14d48f863d5ab8aed2584aba94cb22989a1f01c9a0f951ee
Manifest335b2096f0266a0e1bcd2779bb628404d8a94fb789d128072c0ce8e1f946b5bf

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
SignaturecfyH+qdydTCO0rq31Mzvgj4XyptpVMLAJD1n+KakPBkyokitvZPyvvZgV3J+dsG9E4mJ/Cwt82cZtDN+UqH1BA==
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

2026-09-17T10:33:14.633136ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066814
observed 625488d9579903ca14d48f863d5ab8ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:14.616660ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066814/manifest.json
observed 335b2096f0266a0e1bcd2779bb628404...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:14.599853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066814/publication.md
observed cb8f060c2e81ac45f314a96a7dc54490...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:14.581891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066814/publication.txt
observed 268d7d3d1668606345b584e15d1cad90...
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.