OpenTechnical

OT-2026-000067137

Publication integrity record

Two cup vacuum gripper, two outlet manifold, 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-2026-000067137) never changes.

Identity and time

Publication numberOT-2026-000067137 · never reused
Internal UUID01a0ae8f-14ff-7db1-b583-4d7539d01311 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:07.760615Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067137
StatusPUBLIC

Content hashes

Canonical text2108d55a79465c496c6348b178faa67400bf4bc44c47d35055b5c4874efe3c3c
Markdown6a7166880decac87a6819cc48bf4d994f4a458d20d95ba0c0ed6fa6b0b92592a
PDF
Publication page46bc91275b94e80b9b3007bd556e8c5ac0623cbc222d4c0b90c3185b317d7d32
Manifesta8c5dd3e3839aab51d71edae457ae864b8f759aa7492d3982376d1e8ee7442f9

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
SignaturehyiKns26Zry2GiL/wwFNdeNfD8adft19CUD0/z4KGxsClbee2ed/+hdmwMseruFk440t8v0f2q0wJn74swdrCg==
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

2026-09-17T10:32:24.707765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067137
observed 46bc91275b94e80b9b3007bd556e8c5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:24.691360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067137/manifest.json
observed a8c5dd3e3839aab51d71edae457ae864...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:24.674946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067137/publication.md
observed 6a7166880decac87a6819cc48bf4d994...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:24.658914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067137/publication.txt
observed 2108d55a79465c496c6348b178faa674...
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.