OpenTechnical

OT-2026-000016865

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, pump 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-2026-000016865) never changes.

Identity and time

Publication numberOT-2026-000016865 · never reused
Internal UUID01a0ae6e-5919-7f80-b726-05601424bda0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:22.507214Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016865
StatusPUBLIC

Content hashes

Canonical textb67956c6e7237d38cfa35a31a7a10b42c2750a87161140c0bd92eb136de6db3b
Markdowne7b8f5d70484cc1e16f90840ee6ca0cfbac78978ab0e4f6dfad6e2b0d70e56a4
PDF
Publication page8596ba1bd16dded6006f299044eb25a24a5d8d9c003ece382f350a0243759ec4
Manifest7413ea21a415c3f93b6f18e4ee69c68de357fac21631cca288c89be9ecf44f57

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
SignaturecK/biYXD5q+bsDcswetBNudWqE5+Em1LsQDZidjAyBZFcQ5OiOy0qlRi8FXNdafLg+3kvHNcpXHXQEyg4rNJBA==
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

2026-09-17T12:03:08.030950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016865
observed 8596ba1bd16dded6006f299044eb25a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:08.012343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016865/manifest.json
observed 7413ea21a415c3f93b6f18e4ee69c68d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:07.995575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016865/publication.md
observed e7b8f5d70484cc1e16f90840ee6ca0cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:07.977922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016865/publication.txt
observed b67956c6e7237d38cfa35a31a7a10b42...
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.