OpenTechnical

OT-2026-000005468

Publication integrity record

Vacuum cup gripper, three zone face, per zone isolation, three stage ejector, contact triggered

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-2026-000005468) never changes.

Identity and time

Publication numberOT-2026-000005468 · never reused
Internal UUID01a0a939-f6f7-7a7a-9046-0f79cb905f7b · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:59:03.417908Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005468
StatusPUBLIC

Content hashes

Canonical texta7bb5c84b911f3775a8f9eb39bc100dfa9ea1b59292057da2644770aa3d5d84c
Markdownbfc5b84c891701f10ab6d0f505d6d3330b6e3167bee14ebbbe329563ee4e0269
PDF
Publication paged1ba0632f9c5abf3ddf0d27a93dcb6490a4b9f3502834cc827be6845cd8be54b
Manifest3393082427823bd7b303b92d406086da0d328995f41b5ef4236edb2a6474b5a0

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
Signaturez6DVNR7oHCVyqeCv074OxXy2XV8/cCxMmFnA6HMKtzDrUM694jsQdX/vVrJwhTO4jWf2xoriwZa7QBY8oKCLAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T08:00:06.121588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005468
observed d1ba0632f9c5abf3ddf0d27a93dcb649...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:05.740429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005468/manifest.json
observed 3393082427823bd7b303b92d406086da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:05.726671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005468/publication.md
observed bfc5b84c891701f10ab6d0f505d6d333...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:05.709604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005468/publication.txt
observed a7bb5c84b911f3775a8f9eb39bc100df...
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.