OpenTechnical

OT-2026-000073793

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, two stage ejector, manifold pressure sensor, pulsed blow-off before 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-2026-000073793) never changes.

Identity and time

Publication numberOT-2026-000073793 · never reused
Internal UUID01a0ae93-2b8d-71a9-bb67-bebd2ebe81c8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073793
StatusPUBLIC

Content hashes

Canonical textb412757a305f96cd5446fda522f83700cd18a0f72f33bc34d1546ab077af4f69
Markdown1cc1ce3d6df3650c59aee9f9ccedffb7dbc5c909cffc705b5917f8a7edd8ac6d
PDF
Publication page9400f896a0376bdad1e13e272f272d921e1c4b8f077d6b7bcb2529b59a0aa35a
Manifest28bbd5799743236da110e49a75f9a71b81a40b6ce1d13fdee15044026787e4d5

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
Signature9W7cVo9Cq7oyMEKfdLwe8t/qgiFXKgRBlG2RgnBtjH+x2itA2rQcqWSQ+r2YR4dVdvABb1oyPd3dmshSttCjAw==
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

2026-09-17T10:19:54.332053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073793
observed 9400f896a0376bdad1e13e272f272d92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:54.313611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073793/manifest.json
observed 28bbd5799743236da110e49a75f9a71b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:54.293853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073793/publication.md
observed 1cc1ce3d6df3650c59aee9f9ccedffb7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:54.274760ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073793/publication.txt
observed b412757a305f96cd5446fda522f83700...
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.