OpenTechnical

OT-2026-000014083

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, single 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-2026-000014083) never changes.

Identity and time

Publication numberOT-2026-000014083 · never reused
Internal UUID01a0ae6d-8deb-7ef8-9f43-187f2941465b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014083
StatusPUBLIC

Content hashes

Canonical textb979309a2a6f4b0ffdbe019174d61510840279f4dfb499bf53f9695ca8bdb6ed
Markdown38e3bb3091a78e4f117feb8a74ddf0b62eb8968eab7f0db324553d8cc2f3602e
PDF
Publication page1f04b0798fa9db69cff3e945bd3e4731f56543f35bbb35b5e8973de0ffe8e538
Manifest6ae330dcb1e0709cc1d33d1bbc91bc6a2dbb8bffdb1bc0b74febd99b523fb15e

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
SignatureLs3eUcefD2ae7GplRp7xJ/L5bML+SUTWnw0Z8m5Z7/ZD9bKIMgtFq70LXllyVgAaOnHhf9j9l3M4OQUwVx+yCg==
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

2026-09-17T12:09:20.084553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014083
observed 1f04b0798fa9db69cff3e945bd3e4731...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:20.065207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014083/manifest.json
observed 6ae330dcb1e0709cc1d33d1bbc91bc6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:20.044432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014083/publication.md
observed 38e3bb3091a78e4f117feb8a74ddf0b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:20.024071ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014083/publication.txt
observed b979309a2a6f4b0ffdbe019174d61510...
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.