OpenTechnical

OT-2026-000081008

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000081008) never changes.

Identity and time

Publication numberOT-2026-000081008 · never reused
Internal UUID01a0ae96-b976-75ad-8088-a66955d20f24 · 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-2026-000081008
StatusPUBLIC

Content hashes

Canonical text78fe4f8709b0ce99e5771168c34dca059db10ace0a5f8faf86a53abf7d40f5d5
Markdownda30ded9837185d03f69a884c249e4d4cf4eeb07dab31938dfcff9e349d2b1af
PDF
Publication page18282532449815d8be6ef5328daca861f33aa66934a5f991c4d73189fb8da265
Manifest31b5de319dbc950dd9eab0981a3a96194bd3d423d3c82e88c04573c3a8b7ad5e

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
Signatureo1rmECqnZ1LgMcmYPPzts9Yk+ic+bNr41CQIfKSLhziDfOWrY6boRRo5s20gea0VZ6U4C/bHb/AJNslrp7frAA==
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

2026-09-17T10:02:17.761317ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081008
observed 18282532449815d8be6ef5328daca861...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:17.742434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081008/manifest.json
observed 31b5de319dbc950dd9eab0981a3a9619...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:17.725893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081008/publication.md
observed da30ded9837185d03f69a884c249e4d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:17.707573ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081008/publication.txt
observed 78fe4f8709b0ce99e5771168c34dca05...
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.