OpenTechnical

OT-2026-000052140

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, manifold 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-2026-000052140) never changes.

Identity and time

Publication numberOT-2026-000052140 · never reused
Internal UUID01a0ae83-e78f-7b8a-9625-9c6b68c34be1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:55.233643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052140
StatusPUBLIC

Content hashes

Canonical text49630814db4d963835f329c8add5e7184d323c6f4530ac41b889ea0c1407a2f9
Markdownfe8f893e291807ba891487d55634e31a10e55f4edf7b35d7ec537c0a0f6bdeec
PDF
Publication page9b8d0ad120a0af1d04cc5a88a8a46adf85379e0c0f9ce708e10f5178be22d347
Manifest17fda5a0308b9c5e1a7918a783e39cef24a3a3b3247c6c96d2ea4807abb60a6b

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
SignaturetPfyxgGKZdxn3ytmZ3dXVIptBzfMBlpK0HuvBW1DcnRCZM+1gI0f5j1yy8S36stN5vZDjJ2li8Du0loFV66aBQ==
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

2026-09-17T10:57:41.491100ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052140
observed 9b8d0ad120a0af1d04cc5a88a8a46adf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:41.470446ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052140/manifest.json
observed 17fda5a0308b9c5e1a7918a783e39cef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:41.452313ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052140/publication.md
observed fe8f893e291807ba891487d55634e31a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:41.435239ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052140/publication.txt
observed 49630814db4d963835f329c8add5e718...
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.