OpenTechnical

OT-2026-000018462

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, plant vacuum fed, manifold 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-2026-000018462) never changes.

Identity and time

Publication numberOT-2026-000018462 · never reused
Internal UUID01a0ae6e-b48a-7a67-ab9a-059e3ea45fef · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018462
StatusPUBLIC

Content hashes

Canonical text8210e6761e8ac0d3d1c2f305b2f8c04543af090e90ff360d770adbc4bcb36e49
Markdown7aaa236346ea647a2623e490bac5767ef678496a1635b95e9f7195f759495a27
PDF
Publication page80ca9bacaafd965245e3cbf784397a57af76df9095267c1681834f5d4adc91b0
Manifest702d567681f4ba29d3f8610ea7d930d616a997764ef8f68b6416069330c318b9

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
SignaturevdL9tmvlZcnvt1AfGyRONZLDfGUBzq+iiBqmqRyeKQkeU14w6HPKXCzm/FxdaZFJtRX4lAs/v5DRBlMr5fA6Ag==
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

2026-09-17T12:01:13.529651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018462
observed 80ca9bacaafd965245e3cbf784397a57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:13.512464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018462/manifest.json
observed 702d567681f4ba29d3f8610ea7d930d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:13.495659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018462/publication.md
observed 7aaa236346ea647a2623e490bac5767e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:13.476445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018462/publication.txt
observed 8210e6761e8ac0d3d1c2f305b2f8c045...
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.