OpenTechnical

OT-2026-000027399

Publication integrity record

Four bellows cup vacuum gripper, four zone face, 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-2026-000027399) never changes.

Identity and time

Publication numberOT-2026-000027399 · never reused
Internal UUID01a0ae72-6997-786e-a44c-b92315bfe62c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027399
StatusPUBLIC

Content hashes

Canonical text5889bc7e2eecce068cc6a6c7a6cc21d3640efd349317a739be01e11ea996eaad
Markdown5bb115d6f35660ca56f380fc388cb83950b141cd8004124da46beb09d2cab7ef
PDF
Publication page1939cba59722722dd767ef03398bb4654c0c9a0867b80f532b6bd462c19523e5
Manifest69b370c72bdc01175d9e3f9441bc774a267d8d553cf0a0dedfa177441fa7d6dd

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
Signature7d/icBoqe91VXIZvqhaJHZvQxr+rKkpIcJa5VVyDTU+oDffEIt5dxDZ72ThX035MrM77jYROv4ccGC+o0K/IDQ==
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

2026-09-17T11:42:49.381816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027399
observed 1939cba59722722dd767ef03398bb465...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:49.363458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027399/manifest.json
observed 69b370c72bdc01175d9e3f9441bc774a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:49.345377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027399/publication.md
observed 5bb115d6f35660ca56f380fc388cb839...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:49.328883ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027399/publication.txt
observed 5889bc7e2eecce068cc6a6c7a6cc21d3...
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.