OpenTechnical

OT-2026-000011432

Publication integrity record

Single cup vacuum gripper, single stage ejector, vented after set-down

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-2026-000011432) never changes.

Identity and time

Publication numberOT-2026-000011432 · never reused
Internal UUID01a0ae6c-88fe-793d-a9a3-61e1fe05d918 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:23.703080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011432
StatusPUBLIC

Content hashes

Canonical textab2d1d9f3ff0e76933363573c0a35dca3793659a84629d891caea30a708e47e6
Markdown12aada1a0ea986177574f8e6ae87107113bacfa433ddaffccb3e4f9c724b4916
PDF
Publication page884ed1f5082d2f6d618e9a17bcfdee2d006791a65eaf56fee619b148cff17560
Manifest0e1a80e84972e024d10ac88578f39388af8005ea0f05596372dbeb6f8bec4bc3

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
SignatureKSEtyNYIaDdJW4+0B1zqLlpa0WvQ+jGkH/Nvi/pJAD4g0ffUj1fbnXUPANNS3e+3g+E5jzVOim1rSIQ/VnyBBg==
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

2026-09-17T12:13:11.344646ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011432
observed 884ed1f5082d2f6d618e9a17bcfdee2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:11.325185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011432/manifest.json
observed 0e1a80e84972e024d10ac88578f39388...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:11.305599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011432/publication.md
observed 12aada1a0ea986177574f8e6ae871071...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:11.284571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011432/publication.txt
observed ab2d1d9f3ff0e76933363573c0a35dca...
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.