OpenTechnical

OT-2026-000078335

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, single 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-2026-000078335) never changes.

Identity and time

Publication numberOT-2026-000078335 · never reused
Internal UUID01a0ae95-7c27-7329-a939-93eee2d3fad8 · 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-2026-000078335
StatusPUBLIC

Content hashes

Canonical text0ba08d2c6b7050179b686b9b3e1638ddee63db878ece53a761c3c9080591fe91
Markdownb30159b1f0b94f27a039c92fd706391bd243f06f324869543ee5a1b27570903f
PDF
Publication page056b65eb847ea911f14ce6e8f34863a4622be5983a098971fad8e76a80ab79cc
Manifest1489fddedc3f68ed7d71d18a9eac12dacd5be47f88c088f1e016745aeec162da

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
Signature51kXSrCzCHTw8qBckxTH1gSQqQacjNvbhw/XarqTo5ZYIBoiWqkpAae6SmmO2dP+G+FrwZYmz+x1q68MM7QXBA==
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

2026-09-17T10:06:18.233568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078335
observed 056b65eb847ea911f14ce6e8f34863a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:18.214203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078335/manifest.json
observed 1489fddedc3f68ed7d71d18a9eac12da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:18.196425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078335/publication.md
observed b30159b1f0b94f27a039c92fd706391b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:18.178986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078335/publication.txt
observed 0ba08d2c6b7050179b686b9b3e1638dd...
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.