OpenTechnical

OT-2026-000035891

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, two stage ejector, supply line pressure sensor, 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-2026-000035891) never changes.

Identity and time

Publication numberOT-2026-000035891 · never reused
Internal UUID01a0ae76-b4c9-7b98-bd14-0dcd5ff9bfc5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:30.265572Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000035891
StatusPUBLIC

Content hashes

Canonical textdfdccb42cb207262db1b3f68c51813af27dc36f7e6619ff0c842f9c8ca2d4f77
Markdown9cfa9666a0bbcb8fdacdf4943b4f31b5f0fd8b7609e7cd0968245218209755b8
PDF
Publication pagead98aed885159a351006ae4bce7db84db411390b0bb5468b25a78157ceaee2be
Manifest00a84168da4bf32498430b8054590112e53ff150fa519477d078c8209c076add

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
SignaturemyNZMPFq6Yx7R+ONNRPuikV9Iw9v/F3ZDsdzG8rtOi5dX6JB937CsLj07N7u3PmrJ9wyoOIAm5njr/2KUOviCw==
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

2026-09-17T11:27:38.292091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035891
observed ad98aed885159a351006ae4bce7db84d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:38.275307ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035891/manifest.json
observed 00a84168da4bf32498430b8054590112...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:38.259721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035891/publication.md
observed 9cfa9666a0bbcb8fdacdf4943b4f31b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:38.241790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035891/publication.txt
observed dfdccb42cb207262db1b3f68c51813af...
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.