OpenTechnical

OT-2026-000031502

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, two stage ejector, 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-2026-000031502) never changes.

Identity and time

Publication numberOT-2026-000031502 · never reused
Internal UUID01a0ae74-87ae-7ff5-a668-800168e5e6cc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031502
StatusPUBLIC

Content hashes

Canonical text7226f9564b62819a950022eb2705cfcfb5bb26b2bf80ddff939225438b678ab3
Markdown405d521a4790fbf38277f3c703686d0a9821aaa32da8e1003fb7228d52f95d68
PDF
Publication pagee1a3d4816be2d53277e5ae0c57a5f263e23d586a449bb4deb2f44017129967d5
Manifest6039d7e010f0f8e4ed71778cd42d424836874a27c2b7b7dee6a49668ba3a2b03

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
SignatureopegDInNsLqCcIIXE+7Wy3/PjujLHxfv76Dx4wDaIEtqwY3Sbb4rpnl7lvFkrM61tNrLY0MNAGYC2QrYyGTKDQ==
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

2026-09-17T11:36:19.942608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031502
observed e1a3d4816be2d53277e5ae0c57a5f263...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:19.924007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031502/manifest.json
observed 6039d7e010f0f8e4ed71778cd42d4248...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:19.905963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031502/publication.md
observed 405d521a4790fbf38277f3c703686d0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:19.886688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031502/publication.txt
observed 7226f9564b62819a950022eb2705cfcf...
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.