OpenTechnical

OT-2026-000015858

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, pulsed 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-2026-000015858) never changes.

Identity and time

Publication numberOT-2026-000015858 · never reused
Internal UUID01a0ae6e-0c4c-70e2-b8c5-00231c2ac923 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015858
StatusPUBLIC

Content hashes

Canonical textf70fb8c64d3b1b5693349338447e18a85bb3e95b0d53a406e390baf4886c84be
Markdown5e2087921b300286ac52853b2a60964bd6c9ddecc5e1d2c5ae5c2127807b6ec1
PDF
Publication page8608906f24225653ea2c48f59ae7d7946da9ef09693977cb1a200e738b28f3c9
Manifestb416bde700fc9edf87f9d6fbaa8f68f51e6103367ffbcba8562802193a4be765

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
SignatureQOPmNwkxA5gMwWwcCYwkh0P1Kt3t+9LeQX4qMd/Fz79v3dK71p4FM8WKZrtQxEuBID4A5TpeX6uy23vs4Y1RCQ==
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

2026-09-17T12:05:17.968222ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015858
observed 8608906f24225653ea2c48f59ae7d794...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:17.946943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015858/manifest.json
observed b416bde700fc9edf87f9d6fbaa8f68f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:17.927937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015858/publication.md
observed 5e2087921b300286ac52853b2a60964b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:17.909263ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015858/publication.txt
observed f70fb8c64d3b1b5693349338447e18a8...
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.