OpenTechnical

OT-2026-000013154

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, pump fed, pulsed blow-off before 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-2026-000013154) never changes.

Identity and time

Publication numberOT-2026-000013154 · never reused
Internal UUID01a0ae6d-6fc8-7a20-a7ac-42d93b67b18b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013154
StatusPUBLIC

Content hashes

Canonical text46fec7e07fb6c50b65506ef7ba0b259441351ff044ddd452f5a4edad2e617ae7
Markdowna88e50399957b9cc482d561e4af0d675d3debb30cd64922b29cc5251d2282365
PDF
Publication pagec1e6d4d1826ae7e189cb6cff1c630d1b440eafa4b21c2cfa11b386310a1b6d41
Manifest55be3b7e797089da378f4bfecd91538af87c670287d6d047c38c9dc9ac4b4eb9

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
SignatureHhzBJVAlNeWbTkZ2qeKCjQ14MP9M1EU2I3E8HStpHBb96YxAUFev0nrkLGtbjVl2dthdoFXayTwHnd0jNl42Bw==
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

2026-09-17T12:09:31.344824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013154
observed c1e6d4d1826ae7e189cb6cff1c630d1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:31.325624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013154/manifest.json
observed 55be3b7e797089da378f4bfecd91538a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:31.305779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013154/publication.md
observed a88e50399957b9cc482d561e4af0d675...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:31.281731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013154/publication.txt
observed 46fec7e07fb6c50b65506ef7ba0b2594...
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.