OpenTechnical

OT-2026-000049242

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, sustained 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-2026-000049242) never changes.

Identity and time

Publication numberOT-2026-000049242 · never reused
Internal UUID01a0ae81-134f-7278-8b7e-8e85c2df19b6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049242
StatusPUBLIC

Content hashes

Canonical text5844d22cb510f43d7ea44b78a6b1bd4d0650f5d2175de52ce391fbafcd96387c
Markdown540ba921db324cc191cb852c3e0a7d913cff99936d9356b82854a8a057f3a562
PDF
Publication pagea60aebe537b1e96d8fbf8d8766cfc7927f93fa0bd5f6392260004c950ed7506b
Manifest9740f1d702a9887d4d23185f9fe9774fd0b27a671064b7798435da5dc2148df3

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
SignatureS5D45q9W7S8yv7MUBH8Jj6ZphnIRJWr74FSbQBeKQmtfuauZprO1dsUXmpqb4w52PeUwVQzP5uiYgtvnbUXlCA==
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

2026-09-17T11:04:04.286158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049242
observed a60aebe537b1e96d8fbf8d8766cfc792...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:04.266939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049242/manifest.json
observed 9740f1d702a9887d4d23185f9fe9774f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:04.247862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049242/publication.md
observed 540ba921db324cc191cb852c3e0a7d91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:04.228547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049242/publication.txt
observed 5844d22cb510f43d7ea44b78a6b1bd4d...
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.