OpenTechnical

OT-2026-000033985

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, 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-2026-000033985) never changes.

Identity and time

Publication numberOT-2026-000033985 · never reused
Internal UUID01a0ae75-df0b-76d5-be78-06b0a5ffed3a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033985
StatusPUBLIC

Content hashes

Canonical text13875d897e040b5f88e6e0bb2599092e833d107a054e2514fe126aba65316fac
Markdownce0eb915f81d2c1a4fdf648a676a07b1ede77c82550e41ec72b8a5f427365616
PDF
Publication page8d98f61c40f3c5e0d7eec5aaafcb6f15673de555bd4f4265c299b0d396f5d8d0
Manifesta3a5fce996eff03f10dd775410b04428ad43fdd3bc864c093867ccf58aa852e8

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
SignatureEMZZkI+crkuTLHMcMSmPXDMF0VrCazb6sBlQROVG6f7OSYz4NBzaUtEXoqcTJSVFSQsSgr0RLPXrz9iImsxVDg==
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

2026-09-17T11:30:07.334626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033985
observed 8d98f61c40f3c5e0d7eec5aaafcb6f15...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:07.316363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033985/manifest.json
observed a3a5fce996eff03f10dd775410b04428...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:07.297408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033985/publication.md
observed ce0eb915f81d2c1a4fdf648a676a07b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:07.277725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033985/publication.txt
observed 13875d897e040b5f88e6e0bb2599092e...
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.