OpenTechnical

OT-2026-000016659

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, single stage ejector, 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-2026-000016659) never changes.

Identity and time

Publication numberOT-2026-000016659 · never reused
Internal UUID01a0ae6e-5918-7d57-9b46-44a219a869d6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:22.507214Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016659
StatusPUBLIC

Content hashes

Canonical text81454876961617d85b157f6108792ae9b798c282b350f1934657360f0e4109d9
Markdownd7baf2051c884a0d6ce040027a286e1c0bce6f0b604550adf9f181c501ec52a1
PDF
Publication page4c84282452484698f83d27f37df27c27ae278a03b8cb210de0c4c75812b507bc
Manifest1d05df1f711235cd23d1801bec3d48698abd8bddc205377f7f55c01802f12825

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
SignatureAZpN3Y6diig0lQG58YQsmqu0yLbkZ50NRlTxc1S2cfgooGj+S9dxI8v9ZcDL2yj6FqvG/CmLdL4cthI2LuZnAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:02:51.550057ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016659
observed 4c84282452484698f83d27f37df27c27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:51.531005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016659/manifest.json
observed 1d05df1f711235cd23d1801bec3d4869...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:51.511683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016659/publication.md
observed d7baf2051c884a0d6ce040027a286e1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:51.492549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016659/publication.txt
observed 81454876961617d85b157f6108792ae9...
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.