OpenTechnical

OT-2026-000010808

Publication integrity record

Single bellows cup vacuum gripper, two 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-2026-000010808) never changes.

Identity and time

Publication numberOT-2026-000010808 · never reused
Internal UUID01a0ae6c-0ee9-7006-9e50-c6fb3cfb4e48 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:52.445886Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010808
StatusPUBLIC

Content hashes

Canonical text9b308d3fd74d06fdfffed6772c9ab95b1a3ce0ac147479d9901962808f3e3d68
Markdown67977278308c97bae91f73a47c79bfdfb3956b90005c38e0ab28063ef4121e37
PDF
Publication pageebf22cf76ad5369e525696f503d1d2e0c6f7dae23897ef3ce66a75dd2d83f1e1
Manifest45155a7bec3d3637c3bc8c784b8c1790e8665739905a43d91b36b599986047b0

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
SignatureqaHTuKSSC7lKqjCArjLpWAl12Uy5KY+woWBW7sRty8wQrtK60wck9iYme8Ivb5JDJUBMBvkHEf3pmLHmdK2fAg==
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

2026-09-17T12:15:44.943301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010808
observed ebf22cf76ad5369e525696f503d1d2e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:44.925315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010808/manifest.json
observed 45155a7bec3d3637c3bc8c784b8c1790...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:44.905850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010808/publication.md
observed 67977278308c97bae91f73a47c79bfdf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:44.887883ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010808/publication.txt
observed 9b308d3fd74d06fdfffed6772c9ab95b...
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.