OpenTechnical

OT-2026-000016854

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, 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-2026-000016854) never changes.

Identity and time

Publication numberOT-2026-000016854 · never reused
Internal UUID01a0ae6e-5919-7dac-a86d-26baae444ffb · 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-2026-000016854
StatusPUBLIC

Content hashes

Canonical texte787aee0cb5a0025505d85b7e897f72484e77a95c336907703ad5090c63ba83a
Markdowndb80b09d6de7df5bf46185940f59a42db433265aa18ebe3f1f7cd107b79aaa8d
PDF
Publication pageb3fd6c0ddbd1967394130cccde9dfbeb52ac2d366085ad64b1dd8519833bf250
Manifestd90457046f8b3ed8396557d545828852c9942793eaf3d9634b0a7dafb7af67b8

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
SignatureTCDInqZzAIyvHFozRJoaVa/ZpPpEWFL0czlVcgOgkxpRRpGZo65nk+RBAURsILi5/AjBzA9mYMtcQRWf0FsZCQ==
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

2026-09-17T12:03:07.150212ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016854
observed b3fd6c0ddbd1967394130cccde9dfbeb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:07.131922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016854/manifest.json
observed d90457046f8b3ed8396557d545828852...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:07.115759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016854/publication.md
observed db80b09d6de7df5bf46185940f59a42d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:07.097931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016854/publication.txt
observed e787aee0cb5a0025505d85b7e897f724...
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.