OpenTechnical

OT-2026-000075058

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, manifold pressure sensor, vented before 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-2026-000075058) never changes.

Identity and time

Publication numberOT-2026-000075058 · never reused
Internal UUID01a0ae93-ac2e-78ee-ad54-473f49cc8b63 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075058
StatusPUBLIC

Content hashes

Canonical textc9500d81fb8daa8c50690c936fb105ad2f8c3fe900c23b2cf1c25041f846c74d
Markdownf47f979015100b3e12a43ee5af5a97e4f260953033df1737d18b9ebb6a4cc97d
PDF
Publication page2052a4199c4bf3df0643c3185e769b6fcb190db20cc344601ea81725106209d7
Manifest471b8e5bcd26dcff3a93ea5ea3f66e8ec6c55c53a0309f28f779fffaa12c9e6a

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
SignatureCNwyKeqUq483XYXfiOdWWWVtPaqeNXBE6ZEwXOCMAPts6uxUk4jfIZcL/IWMAjbkjhbdMtUkflEIjONImRcWCA==
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

2026-09-17T10:18:52.624560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075058
observed 2052a4199c4bf3df0643c3185e769b6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:52.607911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075058/manifest.json
observed 471b8e5bcd26dcff3a93ea5ea3f66e8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:52.591957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075058/publication.md
observed f47f979015100b3e12a43ee5af5a97e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:52.575741ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075058/publication.txt
observed c9500d81fb8daa8c50690c936fb105ad...
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.