OpenTechnical

OT-2026-000095886

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, pump fed, pressure sensor per zone, sustained 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-2026-000095886) never changes.

Identity and time

Publication numberOT-2026-000095886 · never reused
Internal UUID01a0ae9f-fac7-7b8b-8a72-de8430bf253a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:35.161845Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095886
StatusPUBLIC

Content hashes

Canonical textce19ad7cda32d8600aafa77ca6ed167c80904805cf783bf40e271ca09fdc528a
Markdown6bd8549e631ee5c70c08b58fb8046260f3b3c20abbfc3a02c6d837b832b15af8
PDF
Publication page4d8497f9331ee35b7b3c536cf14cbabe8cda4e327362b3c6a34b2a156a91aa6c
Manifestb1324322dbe4906e5978114d9efb292b99a84ec1db0410c7c5f20d2eb170255b

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
SignatureHjZx486Vyi2yUYtqy0e1O2EanOe9Ci8LX4m3l9b162dPYcW5zqxRI2Dj5H/sYHRhsEy0pwsIXkWNd/spM54WDw==
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

2026-09-17T09:35:58.667841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095886
observed 4d8497f9331ee35b7b3c536cf14cbabe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:58.649361ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095886/manifest.json
observed b1324322dbe4906e5978114d9efb292b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:58.631099ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095886/publication.md
observed 6bd8549e631ee5c70c08b58fb8046260...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:58.612895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095886/publication.txt
observed ce19ad7cda32d8600aafa77ca6ed167c...
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.