OpenTechnical

OT-2026-000047411

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, 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-2026-000047411) never changes.

Identity and time

Publication numberOT-2026-000047411 · never reused
Internal UUID01a0ae7f-3e57-75ad-b460-c63474130547 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:49.774666Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047411
StatusPUBLIC

Content hashes

Canonical text27f08c41a9c7b44f8a6acd69300a052a143b46be0fb0baf870c35ef497809965
Markdown5ba82fbfcf9ae538bf6fe651082343aedc31183da8cb225ca7639bb9336e33f8
PDF
Publication page31405510f2293dfdae77dbd9279fb552965e136b1fccd975b7317dc8a82a42a5
Manifestd024cccaced45b96df1fcc2b5fde0317b47511b38ec8cfc162ec176ea545d116

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
SignatureRspb6B+qPlT4FZVzFguw5qnYcRg95YntgXXEhLAjpk1xZWVlfuMxatHqq8funBAyieZpEaIdtQpPI473A7IVCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:06:25.593220ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047411
observed 31405510f2293dfdae77dbd9279fb552...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:25.574885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047411/manifest.json
observed d024cccaced45b96df1fcc2b5fde0317...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:25.557608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047411/publication.md
observed 5ba82fbfcf9ae538bf6fe651082343ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:25.538957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047411/publication.txt
observed 27f08c41a9c7b44f8a6acd69300a052a...
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.