OpenTechnical

OT-2026-000049239

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000049239) never changes.

Identity and time

Publication numberOT-2026-000049239 · never reused
Internal UUID01a0ae81-134f-774d-aee2-8de5fb739f4e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049239
StatusPUBLIC

Content hashes

Canonical textb4552a821f9dacafa486277725a696e9a473720472f2ca673a7f8d8f3a7a2424
Markdownab9e15f0cc6a1508604586270a96751ab7f2062f47ce2020a576bf7078a06de0
PDF
Publication page692a5233c775a94c87cafbb7053886573f94d5522cb2001751c902cb1894db1f
Manifest5029a88cca52d59c0d2ee285a2d3620915c054b3a162a9c5b05556f73d63be4b

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
SignatureRzXKoaXfSwHUQhE8xYFDOa4I55wmk66WoUGAeJHg+CAo8SH+Ib/3lIMPyTEA35tGkBsWHIZjRLpTB7VTQU1uCA==
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

2026-09-17T11:04:03.993923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049239
observed 692a5233c775a94c87cafbb705388657...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:03.973421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049239/manifest.json
observed 5029a88cca52d59c0d2ee285a2d36209...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:03.953261ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049239/publication.md
observed ab9e15f0cc6a1508604586270a96751a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:03.934921ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049239/publication.txt
observed b4552a821f9dacafa486277725a696e9...
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.