OpenTechnical

OT-2026-000040181

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, pulsed blow-off 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-2026-000040181) never changes.

Identity and time

Publication numberOT-2026-000040181 · never reused
Internal UUID01a0ae79-26ff-796c-99a5-f4bd51536309 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:10.588850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040181
StatusPUBLIC

Content hashes

Canonical textc9e0d6a01de9c27b76c63a6ffffad0596d590341f2fe3b82ea13d35bd6ff3d38
Markdowndd8ad4b788c56daa87b0fe3b2a48b2d50b01a22a9b5e2368f1632ff93c9a3e45
PDF
Publication page0e20442c10f62814352e272a8e612d28f7e84029f8b3b18017c98c1033eebd71
Manifestb5bfb82d0ecdc27cab1b99b206e8f357aa67c5cc795774a43ac722a9c86f1566

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
SignaturelAzeZnzauc3A3oq8fgo2eF0MnVPDez1HY9UCGKFEaW3loTUchEqnBtbeJhkUfaP1k9mOJGi/UyG9uk256X7eAA==
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

2026-09-17T11:19:03.630947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040181
observed 0e20442c10f62814352e272a8e612d28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:03.613907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040181/manifest.json
observed b5bfb82d0ecdc27cab1b99b206e8f357...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:03.599404ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040181/publication.md
observed dd8ad4b788c56daa87b0fe3b2a48b2d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:03.584640ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040181/publication.txt
observed c9e0d6a01de9c27b76c63a6ffffad059...
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.