OpenTechnical

OT-2026-000102885

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, two stage ejector, pulsed blow-off after 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-2026-000102885) never changes.

Identity and time

Publication numberOT-2026-000102885 · never reused
Internal UUID01a0aea4-be3c-7956-9d44-27bf7dd01322 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102885
StatusPUBLIC

Content hashes

Canonical textb05305ff22da407ce69b7e22c3a3932d929214a234cce2425e0bdacbb83d6b01
Markdown3f629a13fe623ebbb416bc90ed3a5dd0c777c41a87a563780115fc0be85bf18e
PDF
Publication page17b7fad9668c6eb5392b3d74d853ea9a96a68a42d1a431041b32aaa86ac88e5c
Manifest6a05d7c4cb7c45ad1998adfc9093f648703238849aaef1a71e809ff312b0f59c

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
SignatureVWedW31kZoP3FYHhDc2IhS//GAmS06DfOxfc5CI+L5CNFhsWvtd+L1J07FCPZy9bgdPYkG+EsbwfKofZPDgeCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:22:53.671574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102885
observed 17b7fad9668c6eb5392b3d74d853ea9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:53.654012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102885/manifest.json
observed 6a05d7c4cb7c45ad1998adfc9093f648...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:53.636444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102885/publication.md
observed 3f629a13fe623ebbb416bc90ed3a5dd0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:53.618066ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102885/publication.txt
observed b05305ff22da407ce69b7e22c3a3932d...
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.