OpenTechnical

OT-2026-000078869

Publication integrity record

Foam pad vacuum gripper, two zone face, six 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-2026-000078869) never changes.

Identity and time

Publication numberOT-2026-000078869 · never reused
Internal UUID01a0ae95-ccbd-78d5-b88a-130ae16c8539 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078869
StatusPUBLIC

Content hashes

Canonical text4d10acc9a7281c83539e211e6d3177d7e1b905ff1943f633435a4352082e703b
Markdownb0526c3ac1d2c62cf615d420bc535f1f8e8f48a65e5deaac3d751281b7fe4f61
PDF
Publication pagec15e4e5045d9b10499306a32a43b9b7387e1c74aefc468dcecd3c2fb80de460e
Manifestc69ba384c7fca8e3243e459dc53e63c7e025a94e1adae754bb89a865fcb94850

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
SignatureJM3uybpmLnuI6+bguTznQP8C4iW8cEXtawnIbgalZ7j4gla7Xh9dg3/0jgurjJDgVp1x1oC/axu+47NyYOU2AQ==
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

2026-09-17T10:05:40.228277ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078869
observed c15e4e5045d9b10499306a32a43b9b73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:40.208330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078869/manifest.json
observed c69ba384c7fca8e3243e459dc53e63c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:40.189808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078869/publication.md
observed b0526c3ac1d2c62cf615d420bc535f1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:40.171085ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078869/publication.txt
observed 4d10acc9a7281c83539e211e6d3177d7...
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.