OpenTechnical

OT-2026-000063361

Publication integrity record

Three cup vacuum gripper, three outlet manifold, pump fed, manifold pressure sensor, vented 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-2026-000063361) never changes.

Identity and time

Publication numberOT-2026-000063361 · never reused
Internal UUID01a0ae8c-f944-76c9-8762-ed2ac6d0163c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:49.602795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063361
StatusPUBLIC

Content hashes

Canonical text3b022ffd346089c7c6b987f9d7a3214ea9be8379ec6cf6f07561884813f52737
Markdownc1df6b3fa6c4f65aa9d99a334ffb263778db1c75dce101a879c7d1d3b04963b2
PDF
Publication pagec5981019c20151ab28aff1b8b9c69af3ebfbe0358e13289cf38c2387a332a25c
Manifest4f4973558800dd890b041d2f292120e235661159013e38a59ef39d58a735913f

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
SignaturexSnMML7eZO1QXdGtnl+8OR+zAtSkF5piQdXXUMoc2TX7UlO8PRtXB3dlaQ5RHiC+rpws5JNhkmtCM90T6ss6Bg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:37:15.868435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063361
observed c5981019c20151ab28aff1b8b9c69af3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:15.850825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063361/manifest.json
observed 4f4973558800dd890b041d2f292120e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:15.831442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063361/publication.md
observed c1df6b3fa6c4f65aa9d99a334ffb2637...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:15.812804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063361/publication.txt
observed 3b022ffd346089c7c6b987f9d7a3214e...
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.