OpenTechnical

OT-2026-000054208

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, pulsed 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-2026-000054208) never changes.

Identity and time

Publication numberOT-2026-000054208 · never reused
Internal UUID01a0ae85-b3a8-700b-93a0-b8096959a9ed · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054208
StatusPUBLIC

Content hashes

Canonical textd20085ed3042bc1d7d03a75e404263e3589db128489b69486c6d67da03822638
Markdown25eb513f6b8ed49b60d32823752dce011008d04e3190afbc76a76a17005031a3
PDF
Publication page5e143ceae1a909b5a43edd0e0050d12e392a2df336ec681a462e321da1f20e66
Manifest0588ce0824407d7c979af566128653ed13ebebfb2364174a23da2b9a84f62c22

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
Signaturegq0ome1cP9stfJEIP9jo0ZL8VGfLrJUnnQ23DH39aYpeLBygScxmrKuEpXfh6JPkKH0HV6Zwh6RRNFFECd9QCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:54:41.098072ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054208
observed 5e143ceae1a909b5a43edd0e0050d12e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:41.075187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054208/manifest.json
observed 0588ce0824407d7c979af566128653ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:40.977920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054208/publication.md
observed 25eb513f6b8ed49b60d32823752dce01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:40.956520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054208/publication.txt
observed d20085ed3042bc1d7d03a75e404263e3...
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.