OpenTechnical

OT-2026-000063602

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, pump fed, supply line pressure sensor, vented after set-down, on a tool changer

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-2026-000063602) never changes.

Identity and time

Publication numberOT-2026-000063602 · never reused
Internal UUID01a0ae8c-f945-7ae7-a0fa-b9f0b8deab41 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:49.602795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063602
StatusPUBLIC

Content hashes

Canonical textb2a21b2e61e06abb8a82c8f95005eaf3e5dd1582b74614310921ceb0a4f3598c
Markdown008e320b271575c668c8c4b3c21ed754d4ebee6d94891ac7738d2993161f6f3e
PDF
Publication page4d2d04cb80b767b8bd93bf244df5568486b9b4de346b7a211bec839352f90241
Manifest62618990ce71d2fbb76a773a1352091f9574c0e208e30138fdf3bd3d31dc888a

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
SignatureLFFuL1vDcoYnU1KnLgiHLCSHQkLiOaleopDMvAfmFHf8HV+pFwR2nJeFiSUU4Hrhyvajixhv7LLSa+56Fde2DA==
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

2026-09-17T10:37:37.407182ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063602
observed 4d2d04cb80b767b8bd93bf244df55684...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:37.390054ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063602/manifest.json
observed 62618990ce71d2fbb76a773a1352091f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:37.372446ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063602/publication.md
observed 008e320b271575c668c8c4b3c21ed754...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:37.353201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063602/publication.txt
observed b2a21b2e61e06abb8a82c8f95005eaf3...
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.