OpenTechnical

OT-2026-000080812

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, vented after 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-2026-000080812) never changes.

Identity and time

Publication numberOT-2026-000080812 · never reused
Internal UUID01a0ae96-b974-73d6-be04-43739b889de5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080812
StatusPUBLIC

Content hashes

Canonical textd3b735ebecb2ea3e1628b96d8ff506f76cb13c0c7f030bd745383f1bd36a5a43
Markdown27c58995d664616766e8abbca4e696521007d7e100ff2d15e630715b1ecc5a14
PDF
Publication pageac5a1bf796fcc77983980255b3f9a1446c4a58683e42186b68a5314c35edd312
Manifest9226e00464e393a9aecfb50a85de4fb2aac71b28470c66edb9e7001888e9669c

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
SignaturecLrNjFzEDhZdfrdWZowbU/C7lZKep9GOgUNmpjEcp8QcWhT4NKouOO7QKZ2F6+1b/klb0Q0iNBJrxlNfVRCpDw==
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

2026-09-17T10:01:59.616284ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080812
observed ac5a1bf796fcc77983980255b3f9a144...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:59.598467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080812/manifest.json
observed 9226e00464e393a9aecfb50a85de4fb2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:59.580628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080812/publication.md
observed 27c58995d664616766e8abbca4e69652...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:59.561361ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080812/publication.txt
observed d3b735ebecb2ea3e1628b96d8ff506f7...
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.