OpenTechnical

OT-2026-000040633

Publication integrity record

Two cup vacuum gripper, two outlet manifold, two stage ejector, sustained 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-2026-000040633) never changes.

Identity and time

Publication numberOT-2026-000040633 · never reused
Internal UUID01a0ae79-6d0e-7548-9980-ac6b03a5a657 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:28.516236Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040633
StatusPUBLIC

Content hashes

Canonical textf6467e64160adfbd31be4da11c59951d1c861c5fb28c29fd205d0816645c53c2
Markdown17aa3a2d8850f8bf7a5bb1c1659bc258b65e88c9c0f81e425610af8ba8d56520
PDF
Publication pagedc557ed54b01be9362806fd0ea48b1b7535492bd4ba28353d6361db659e60850
Manifest06df0f843bf8d250bd6b33cf071cc699c8863ec482e1c5af7b41d2f0e3fa6818

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
SignaturepZmMng8gcynl7Co6X2l9/gLETAQk4Iy/kCb6g1AP/ewLApAMki60EhbgZjfH+kT7AzPeJw5uxyzXOq/LqeXADg==
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

2026-09-17T11:17:48.939083ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040633
observed dc557ed54b01be9362806fd0ea48b1b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:48.920130ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040633/manifest.json
observed 06df0f843bf8d250bd6b33cf071cc699...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:48.901542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040633/publication.md
observed 17aa3a2d8850f8bf7a5bb1c1659bc258...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:48.882322ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040633/publication.txt
observed f6467e64160adfbd31be4da11c59951d...
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.