OpenTechnical

OT-2026-000022559

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, two stage ejector, pulsed 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-2026-000022559) never changes.

Identity and time

Publication numberOT-2026-000022559 · never reused
Internal UUID01a0ae6f-f4ff-74a3-b079-e971a952357e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022559
StatusPUBLIC

Content hashes

Canonical texte6c607eee218734e47f4bef9f4858c0a41bbe4e2cf61d3b35b8a0ba6f190dfb1
Markdownb2b21b079e20b8c40471097b0b2555aab36187de9e6fa86c48c1f44e1777d27a
PDF
Publication page23d7da017ca39ee89601c26335ae461fa11adb56ee20963248a50cd49ea1edc1
Manifestb78921135649d902fcacb2cbb900bbe8d6c4b0b632261df01d6eefae076acd41

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
Signature22rpWeF5z7EGEN4XVodvq+bfzTNlaoebH/ysaC1csauNT9G0Qpr2Fg7kDWeDf4lsFYeMiy4557E8ce1OJBYJCw==
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

2026-09-17T11:53:59.805167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022559
observed 23d7da017ca39ee89601c26335ae461f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:59.787298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022559/manifest.json
observed b78921135649d902fcacb2cbb900bbe8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:59.768122ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022559/publication.md
observed b2b21b079e20b8c40471097b0b2555aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:59.741637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022559/publication.txt
observed e6c607eee218734e47f4bef9f4858c0a...
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.