OpenTechnical

OT-2026-000068183

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, pump fed, pressure sensor per zone, pulsed 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-2026-000068183) never changes.

Identity and time

Publication numberOT-2026-000068183 · never reused
Internal UUID01a0ae8f-c4ff-70b0-9999-f22a7d15feaf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068183
StatusPUBLIC

Content hashes

Canonical textb1ac5b920029b6beec0fd8b5defe5aeb9ffd03d49a6e4fe41a255ad273880aa6
Markdown6767698e304a3ac88cbc1807231a61a0fa0f93377787a5a826e27e64a1384836
PDF
Publication page46cf0c17549efa832577781cf29a96b5b7a4dfaf73e5f7e52708272e48d9118b
Manifest891181e9d8c279f25b0ecead2bc50416678a0656dc9ccbd6abb80840deec2ecd

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
Signature+V0OYjSG/As77Q7483FS3fjQMTqr115ESASQGlsnDGq0fwTqz8JyhYMHZRKL2184IQVmhSolCiFT3Zoxjb08AA==
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

2026-09-17T10:30:50.492618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068183
observed 46cf0c17549efa832577781cf29a96b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:50.474681ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068183/manifest.json
observed 891181e9d8c279f25b0ecead2bc50416...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:50.456875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068183/publication.md
observed 6767698e304a3ac88cbc1807231a61a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:50.440225ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068183/publication.txt
observed b1ac5b920029b6beec0fd8b5defe5aeb...
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.