OpenTechnical

OT-2026-000063454

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, single stage ejector, supply line pressure sensor, vented after set-down

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-2026-000063454) never changes.

Identity and time

Publication numberOT-2026-000063454 · never reused
Internal UUID01a0ae8c-f944-7c48-8940-1b05a4877f30 · 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-2026-000063454
StatusPUBLIC

Content hashes

Canonical text37c3848b557e4cde0a6457dfe4d4b5852450b032afa76e077d8e5dae720b69d1
Markdown2286470c80bbfbd3c50c2fe1d279d32880f2ea6fa8c333b07dec7942eb658f05
PDF
Publication page3b8a496bc939d4954b7788726365e53c345b68a3d8596dcd27d94f22de1e1dbd
Manifestd529477e6c7a153f745a7d56d301d6585c41f37dc17d6210748b7b42a6efeb61

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
SignatureH0DSSpCa0E2ZjcO06A0b/z7/sRPvX2FLZCXaU8oC32/LbmWq/GKeV792k0qt6hmqC8Vqt0rBcoBGn6lgiepsAw==
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

2026-09-17T10:37:25.038909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063454
observed 3b8a496bc939d4954b7788726365e53c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:25.022690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063454/manifest.json
observed d529477e6c7a153f745a7d56d301d658...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:25.005663ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063454/publication.md
observed 2286470c80bbfbd3c50c2fe1d279d328...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:24.988300ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063454/publication.txt
observed 37c3848b557e4cde0a6457dfe4d4b585...
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.