OpenTechnical

OT-2026-000026193

Publication integrity record

Four cup vacuum gripper, four outlet manifold, two stage ejector, manifold pressure sensor, sustained blow-off before 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-2026-000026193) never changes.

Identity and time

Publication numberOT-2026-000026193 · never reused
Internal UUID01a0ae71-a841-7dd3-b191-9fa2cc4dff33 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026193
StatusPUBLIC

Content hashes

Canonical text46a6939e3f2fb2536351d17cbe815ae797ad3d8b19d5ce2b6e850a2f72a1a383
Markdownc336fe0faba76c45629e2988089e18cabbcea27c91696c2963ba760f6a83a8e6
PDF
Publication page0220e320f332c36561236847775269fbd6b66fbe640ffd9222e2032b8e3f4812
Manifest2189d5b34e02c77c758184bcaaf53286b970ae037aef637cb847309960bb303d

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
Signature9AnbYtJ4jE8Nd0nxixkgBg/h5IOSLqdBQ4ndjXfUFUERwCVs+5x+H67ZeqX4dX+m4FGK9niLMiuPeFVYC31zBw==
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

2026-09-17T11:46:42.420827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026193
observed 0220e320f332c36561236847775269fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:42.402470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026193/manifest.json
observed 2189d5b34e02c77c758184bcaaf53286...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:42.382701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026193/publication.md
observed c336fe0faba76c45629e2988089e18ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:42.365033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026193/publication.txt
observed 46a6939e3f2fb2536351d17cbe815ae7...
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.