OpenTechnical

OT-2026-000069233

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, three stage ejector, pressure sensor per zone, 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-2026-000069233) never changes.

Identity and time

Publication numberOT-2026-000069233 · never reused
Internal UUID01a0ae90-b528-7b84-bf63-182e80ff3dd4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069233
StatusPUBLIC

Content hashes

Canonical text9f643c959e84987337e6949eba07f661c0c3b13e4a8acb754cbeaf882d584458
Markdownc47c77c375d99d10cd99ec2e752436ec074f98effd02b23efe73c165647935ca
PDF
Publication page6ba9ae85e6e4b09b1ed7a708289c945517dc758a9f2f948c149202b9a183deef
Manifeste00ed8f1fc29552f2ef843299cf07e1764090a734dd0efa9a58830fae9920d4a

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
SignaturezXRkSz5N6sVM8CrPdo7OudAtmNOpQZkBO50l9ue2reIF/AXJ/Ls6Ap68LjieWlg5dTzqutduJQZT7K2xcqLLBw==
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

2026-09-17T10:27:18.108249ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069233
observed 6ba9ae85e6e4b09b1ed7a708289c9455...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:18.089285ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069233/manifest.json
observed e00ed8f1fc29552f2ef843299cf07e17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:18.071190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069233/publication.md
observed c47c77c375d99d10cd99ec2e752436ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:18.051080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069233/publication.txt
observed 9f643c959e84987337e6949eba07f661...
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.