OpenTechnical

OT-2026-000009986

Publication integrity record

Single cup vacuum gripper, common isolation valve, single stage ejector, vented 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-2026-000009986) never changes.

Identity and time

Publication numberOT-2026-000009986 · never reused
Internal UUID01a0ae6b-cb79-7f56-9414-dbc50aee4096 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:35.184400Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009986
StatusPUBLIC

Content hashes

Canonical text7ba596c710a2cc8bd0d2a4030572ba1de2d980ee81eb4c0d0d814c5b014528eb
Markdown325e3aa1c4fd0703cbed0fd95bf774f9a5d3651bd8baa00712d2a3544c12e376
PDF
Publication page0df44b431ffd779d4167e5aa95133c32bc009f3a821ab427afe37bed6115fec4
Manifeste7d98f48265be2a0d988ed1e209e605b68d18edb8dbefb3155568fd77a42c379

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
SignaturekFaioHTf58mGEJ31rFuFpr9wMuaBURv+zpwxxQ81pBUVPdwcSFvW5JSIzgVGGJ3Zm4y6htVV+TqRR8r+1zZgAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:16:01.906800ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009986
observed 0df44b431ffd779d4167e5aa95133c32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:01.888670ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009986/manifest.json
observed e7d98f48265be2a0d988ed1e209e605b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:01.868484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009986/publication.md
observed 325e3aa1c4fd0703cbed0fd95bf774f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:01.849976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009986/publication.txt
observed 7ba596c710a2cc8bd0d2a4030572ba1d...
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.