OpenTechnical

OT-2026-000063613

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, 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-2026-000063613) never changes.

Identity and time

Publication numberOT-2026-000063613 · never reused
Internal UUID01a0ae8c-f945-711f-8c91-3ba8fda501a5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:49.602795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063613
StatusPUBLIC

Content hashes

Canonical text0a05c86025691f441cb260b8e2585949b41a8fe6c3cd4a18fe094c0e1557b7ba
Markdownc949ca6b70d64bb673ab7939204a0d9170b9df34556854a1d81bfc869bcb6389
PDF
Publication pagee505d9fd2d56d41f02ac51735ab0152399a4cc52e2e6f68cec8c8d6746d31e45
Manifeste12392d75c78a4f96c5c8f545795b0ee0c748525af12878bc337bfb95d55efc3

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
SignatureMlwUuZb3QJd3gz1yDfpXK9OzJJFO950Fc8AW5/OhaMP8tbruntH7MOluLJS04ok5fMV0wBHCtMCgphfoi899AA==
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

2026-09-17T10:37:38.248985ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063613
observed e505d9fd2d56d41f02ac51735ab01523...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:38.232007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063613/manifest.json
observed e12392d75c78a4f96c5c8f545795b0ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:38.214617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063613/publication.md
observed c949ca6b70d64bb673ab7939204a0d91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:38.196174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063613/publication.txt
observed 0a05c86025691f441cb260b8e2585949...
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.