OpenTechnical

OT-2026-000067170

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, pump 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-2026-000067170) never changes.

Identity and time

Publication numberOT-2026-000067170 · never reused
Internal UUID01a0ae8f-14ff-7a40-bb03-910ba577d214 · 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-2026-000067170
StatusPUBLIC

Content hashes

Canonical textef0249c72f2916dd63eef31ca8f4784412dfa1827235df5eee4f51b77a5bae1b
Markdowneceae83a4f7910fc56aaeda867e4756e2b70b941de4cac3de0dd93d932b1a98c
PDF
Publication page2141a01158d1eb1412bf60326bbcd803ee089c96e62010a774ad42bf917775f9
Manifestf76a20f8202d6d139d123c320749d3480152004d5a76ed6ae3b43abfe65c4fb7

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
SignaturepF7njELuWeIdCKuS25RYeBqJiuH4w90f7FWK0mA8wMvpZfEbmgy4GpFxRNcct0mH5pmUX0ncPqF99UYLUoedDw==
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

2026-09-17T10:32:26.049701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067170
observed 2141a01158d1eb1412bf60326bbcd803...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:26.033982ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067170/manifest.json
observed f76a20f8202d6d139d123c320749d348...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:26.018188ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067170/publication.md
observed eceae83a4f7910fc56aaeda867e4756e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:26.001635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067170/publication.txt
observed ef0249c72f2916dd63eef31ca8f47844...
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.