OpenTechnical

OT-2026-000017195

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, three stage ejector, pulsed blow-off before 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-2026-000017195) never changes.

Identity and time

Publication numberOT-2026-000017195 · never reused
Internal UUID01a0ae6e-76c7-7fc8-99d0-0e3c9c8a272a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017195
StatusPUBLIC

Content hashes

Canonical text85cd03f1d125f422cec68668f6a550fc09d8faf8ce2435ccf171f25634188a95
Markdown7a0cf34df36e0571b1b5bbd2ffe81584867437a955e6e0886f839dd1e372e48b
PDF
Publication page6781e1b514808639ec888e298f0bdf8d06f9d391852021d668152c7a6e98c691
Manifest6ae660f5d97ba549a74c71eddc96c20913fe6b0246632cf196df2068efcc2862

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
SignatureLlHZ2RgphCqmg0D22rWDRfZ1iM/hgcOO+/FnpC5o8mTt4xTWT2OSTJRc+Dw8sxjDLl0O3WEIcZdtVepB4K8LBg==
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

2026-09-17T12:02:16.081630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017195
observed 6781e1b514808639ec888e298f0bdf8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:16.065571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017195/manifest.json
observed 6ae660f5d97ba549a74c71eddc96c209...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:16.048380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017195/publication.md
observed 7a0cf34df36e0571b1b5bbd2ffe81584...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:16.031084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017195/publication.txt
observed 85cd03f1d125f422cec68668f6a550fc...
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.