OpenTechnical

OT-2026-000059737

Publication integrity record

Single cup vacuum gripper, three stage ejector, vented after 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-2026-000059737) never changes.

Identity and time

Publication numberOT-2026-000059737 · never reused
Internal UUID01a0ae89-ec25-7859-b3f6-b9d53a5939a2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:29.732559Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059737
StatusPUBLIC

Content hashes

Canonical text4590b79f3481de1cbe9a20519664272f4c0882348724cbd9fedf17a6f3f9a894
Markdownc04362dcc8930ba9960478a32d334b0713fba03857fcf08b2cbfc18295a05c4c
PDF
Publication pagefdb11136a9cdb66247a07215c60d43fe64b76461b36bce36b65b61bc10f31be1
Manifest7cfc927b300b2151a0c497ddd2a141777b0f7cf01e1b080f5181ea468ccd633e

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
SignaturedQRLy9z0QHExuQe/2BJOnjoWUsu7F/SJiLSP3vJj0wdZJV/sPkKKFYawtnDs1LfTbv7WCqohXwOnscRePMmJAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:44:27.500329ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059737
observed fdb11136a9cdb66247a07215c60d43fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:27.483551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059737/manifest.json
observed 7cfc927b300b2151a0c497ddd2a14177...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:27.465569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059737/publication.md
observed c04362dcc8930ba9960478a32d334b07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:27.448648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059737/publication.txt
observed 4590b79f3481de1cbe9a20519664272f...
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.