OpenTechnical

OT-2026-000040618

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, pulsed blow-off 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-2026-000040618) never changes.

Identity and time

Publication numberOT-2026-000040618 · never reused
Internal UUID01a0ae79-6d0e-76bb-af45-906fc8029d11 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:28.516236Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040618
StatusPUBLIC

Content hashes

Canonical text23c39651a0ea93ecaa26b26735c141cb77390ec4c4dfc05a707f1bd057a5805b
Markdownf6f2d8fded6dab561a07492d4a75d36998d5efc8f99a87221a31bed45e08e1eb
PDF
Publication pagea263e8f248f307f2e2bcbc175d6bd3fdc5c9dc3bb585958b9000ef26baf6846d
Manifest3065679a1a69c8b53cec27d52f64e75a3449f28d59e7036201ded4cae2376ba1

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
SignatureOEBte5v0WED9Sia0eiI4uJRs3QA73udj26I4IMBLlJl9DM/f2R7azWP1BEbkAQ0GIjq7vo8MANBNeyGrLMOXDw==
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

2026-09-17T11:17:47.838629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040618
observed a263e8f248f307f2e2bcbc175d6bd3fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:47.820684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040618/manifest.json
observed 3065679a1a69c8b53cec27d52f64e75a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:47.803829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040618/publication.md
observed f6f2d8fded6dab561a07492d4a75d369...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:47.787911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040618/publication.txt
observed 23c39651a0ea93ecaa26b26735c141cb...
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.