OpenTechnical

OT-2026-000082707

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, two stage ejector, sustained 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-2026-000082707) never changes.

Identity and time

Publication numberOT-2026-000082707 · never reused
Internal UUID01a0ae97-8cc8-7f63-acfb-01c29ba2fe94 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:22.827170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082707
StatusPUBLIC

Content hashes

Canonical text620de095c5712dc93ae890d7761c157781d9dda9209480ea621bfbd6e99d795e
Markdown2250a6b912a7e80ab1a3304397cb9e656890697cf9d4911de77a21a6ace697a6
PDF
Publication pageaa5d97c28ece4c676deedb87288991c4a786dcf3481bc631b0810d3fd91df646
Manifestb35ae146fc6e3ee622cfa762927c9b1147e0d72d0fc31865fad0b2849b9b18d0

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
SignatureCB4FFnzo7uevpANLwXuC073yriBeFurV2qpbAunPTgQaouAgbHdO41slb8am4sBBYXD+6RV0f89EIiR60nmdBw==
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

2026-09-17T09:58:16.900830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082707
observed aa5d97c28ece4c676deedb87288991c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:16.883864ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082707/manifest.json
observed b35ae146fc6e3ee622cfa762927c9b11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:16.867804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082707/publication.md
observed 2250a6b912a7e80ab1a3304397cb9e65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:16.851247ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082707/publication.txt
observed 620de095c5712dc93ae890d7761c1577...
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.