OpenTechnical

OT-2026-000091877

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, plant vacuum fed, pressure sensor per zone, sustained 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-2026-000091877) never changes.

Identity and time

Publication numberOT-2026-000091877 · never reused
Internal UUID01a0ae9d-43ba-7141-a47a-dee95b7844c0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091877
StatusPUBLIC

Content hashes

Canonical textb1d40d99192cca973dcbaf4a5bf2d7c1ac9eae4e2e6c6e159677dbfd8babf151
Markdown596a6ac6c6f218ab8d70996ba64b49c1181bc896f9e4734c24d2a4f27ba5d0dc
PDF
Publication pagec417a99bd68742f75ac4736a87df088c3ad5ae182d51e36ac5a40e05ba7fc8d0
Manifest029a9595fcda4bf048f72fbf660dbd6f5384eec34e5e1f9a1faa709a9a611f31

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
SignatureqwZt3fpSgD6+sJmIjX2BsnEMUk9kOFkAc8C6mC9kno+NUiPLmTOuJDISQLCOvFJbGifN2NAeNJkeOE+whwdgCQ==
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

2026-09-17T09:42:48.245545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091877
observed c417a99bd68742f75ac4736a87df088c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:48.226588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091877/manifest.json
observed 029a9595fcda4bf048f72fbf660dbd6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:48.206025ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091877/publication.md
observed 596a6ac6c6f218ab8d70996ba64b49c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:48.186147ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091877/publication.txt
observed b1d40d99192cca973dcbaf4a5bf2d7c1...
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.