OpenTechnical

OT-2026-000063138

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, vented 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-2026-000063138) never changes.

Identity and time

Publication numberOT-2026-000063138 · never reused
Internal UUID01a0ae8c-94aa-7dff-b61f-eb05d0a871c4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:23.840289Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063138
StatusPUBLIC

Content hashes

Canonical textbbeca8e533254716a7eb7b4feaa5e03918230c92bb4e368f7d40aaeacbd1f777
Markdown27f43301c2ed95f535df1ab2a8ac881ef4ea4d9b94138b89f99cfa95a24fcf8e
PDF
Publication pagee1656db217d0f915d139edf63ce9bc4962d2b67f9e8b412ee202fa11169dab4c
Manifestec091e56d478e55877d430301177b0a9859cf4c307e91829cd0d4858152cf9b4

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
SignaturePctHaheG57vcXNs+Mu5Sry30egFTMzkbVQVxjf/g3rVLpomitIdhaHbzxY+GwGeTJViZyEi60NZDPu8eHH1BCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:38:55.296174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063138
observed e1656db217d0f915d139edf63ce9bc49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:55.278095ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063138/manifest.json
observed ec091e56d478e55877d430301177b0a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:55.258644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063138/publication.md
observed 27f43301c2ed95f535df1ab2a8ac881e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:55.241455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063138/publication.txt
observed bbeca8e533254716a7eb7b4feaa5e039...
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.