OpenTechnical

OT-2026-000019862

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, single stage ejector, supply line 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-2026-000019862) never changes.

Identity and time

Publication numberOT-2026-000019862 · never reused
Internal UUID01a0ae6f-1fb6-7846-93aa-1e784966b9e3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019862
StatusPUBLIC

Content hashes

Canonical textc1b6252fbf9e9a1be6bec379a037dabb1da8f5d8ac35ff31505ee013a046506f
Markdownc0b5f4075e4953f3bcd805e10c812aff49e760d4ba543ea1431b8fca44c45de5
PDF
Publication page030db98d5dd38c5689bfcf28d069a5f7ba9c37c42e6afe971f13ba8165440c4c
Manifest02f651d1fe90d41426810fd6bac17b35b2a2063e6110a889f6f74a700927376c

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
Signaturev9YLc9ainP7rVzfC+1mMUE0vhqyeRIldZazBO5+apL+kDs/7R6Hjpxu0QhF5Oc+jImiQ8WODptS0zJAZ1bQeBg==
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

2026-09-17T11:58:03.743066ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019862
observed 030db98d5dd38c5689bfcf28d069a5f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:03.722825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019862/manifest.json
observed 02f651d1fe90d41426810fd6bac17b35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:03.704571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019862/publication.md
observed c0b5f4075e4953f3bcd805e10c812aff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:03.685047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019862/publication.txt
observed c1b6252fbf9e9a1be6bec379a037dabb...
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.