OpenTechnical

OT-2026-000078199

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, three stage ejector, pressure sensor per zone, 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-2026-000078199) never changes.

Identity and time

Publication numberOT-2026-000078199 · never reused
Internal UUID01a0ae95-7c26-79d6-b777-069509e6fd76 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078199
StatusPUBLIC

Content hashes

Canonical text5da9a1ead60ed9186cee7cb81fbca70d12c3ce72a3639289c13a097f98829901
Markdown0ee31d844bf11bfe92722badfbfaa9ef0a48cca5c044d3558e06a9f0ea23cece
PDF
Publication pagecd892ee875bcd04087d58a05a544efd6b3754352c439a84cd857255f2cebcd0b
Manifest83f4b0a8c26e2d97256819f39b1e20691c62a92ad4c317faafe1e3411ba4b2fc

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
Signature3B1+BgMrIo225rJ4MwEZFWetRZSGI5diU0UVgNl+F2RgjJjHPyx3Xbqoepbqi06nWSU2TdhONtIGUg/4scgYCw==
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

2026-09-17T10:06:08.697685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078199
observed cd892ee875bcd04087d58a05a544efd6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:08.679927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078199/manifest.json
observed 83f4b0a8c26e2d97256819f39b1e2069...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:08.662438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078199/publication.md
observed 0ee31d844bf11bfe92722badfbfaa9ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:08.644052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078199/publication.txt
observed 5da9a1ead60ed9186cee7cb81fbca70d...
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.