OpenTechnical

OT-2026-000091885

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, pump fed, pressure sensor per zone, 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-2026-000091885) never changes.

Identity and time

Publication numberOT-2026-000091885 · never reused
Internal UUID01a0ae9d-43ba-7dce-83a7-610e56493787 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091885
StatusPUBLIC

Content hashes

Canonical texta98e7df3b118ec738b654e29f2c38b9a78a0f55594facfe069417e22d52edf7d
Markdowna3bd6aa8e0cf23ed802495a3d8290a2695836556e99bc294ff32702d2002459b
PDF
Publication paged69f63014120d70daa8a8c528a848af450cf390e5f51d7f79f09d348c58aacec
Manifest06539e75f33b04daca5327d155163d77ad1af94ccf1e5cbc4c417692f60f426b

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
SignaturevboKob2/76eO5kg3Q+VY0BHUe39RyKMOWrukCNnB78ydXFFns8B9K3Z1dauweNBFzyr6tlPE7B3srwAK9HsTDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:42:48.878040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091885
observed d69f63014120d70daa8a8c528a848af4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:48.860459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091885/manifest.json
observed 06539e75f33b04daca5327d155163d77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:48.842827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091885/publication.md
observed a3bd6aa8e0cf23ed802495a3d8290a26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:48.825350ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091885/publication.txt
observed a98e7df3b118ec738b654e29f2c38b9a...
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.