OpenTechnical

OT-2026-000091644

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, three stage ejector, 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-2026-000091644) never changes.

Identity and time

Publication numberOT-2026-000091644 · never reused
Internal UUID01a0ae9d-43b8-7766-bda0-929e2b6f7d8c · 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-2026-000091644
StatusPUBLIC

Content hashes

Canonical text4aa048d485293b3246b6d668143913b9795addcb794c3d254dfc990008327886
Markdown90eb3ee35535e0421bcc9c6eb5ea16a95b2dd6b6a914c079ddadbb989dedf0a7
PDF
Publication page65e220ba47d61cd701779c142954ad9d6353c1e848d330c3735a1d80b6203ecb
Manifestea99164bb8910ffafa3f86dd390b58dbebbfab0a9594916d87bfeb528fa45612

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
SignaturexZH1BOMIvQZhrtNXMr3R63Ztt40xveTJ2voIYyCvL2JUCnO6+RYXdHEpG3NSjlmVLYHax53vuDjmFNyD31qjAQ==
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

2026-09-17T09:42:00.927668ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091644
observed 65e220ba47d61cd701779c142954ad9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:00.907996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091644/manifest.json
observed ea99164bb8910ffafa3f86dd390b58db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:00.853702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091644/publication.md
observed 90eb3ee35535e0421bcc9c6eb5ea16a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:00.799823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091644/publication.txt
observed 4aa048d485293b3246b6d668143913b9...
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.