OpenTechnical

OT-2026-000022707

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, plant vacuum fed, 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-2026-000022707) never changes.

Identity and time

Publication numberOT-2026-000022707 · never reused
Internal UUID01a0ae70-46e9-7bf4-8696-2d7739186d5c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022707
StatusPUBLIC

Content hashes

Canonical text8cea83de7386a0182f27d9ad6f6a0c165cc7161945c62ae128b8c4bce84785a6
Markdown096a8cda158cc71fa98728bf67f6c5d9874ec869be4d5754a2a526098e861d73
PDF
Publication page17d4ea5299e5609e934edb5d8b73d4e5f8a68a7ef5f212e4ebcf0f5933f0a7ad
Manifestdbc62fc231334e3dbc06eecf6bf3e3cdafa708b371989b2a14b7b5810344d46f

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
SignatureJh8ASoZMWMnYpo/uFXEj51djhozrIDX4BvD5eQeiPjOg7GkRDnYDJ3l7Vn+O+SQqWeB45GougsY2Ac2XJ9TLBQ==
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

2026-09-17T11:52:12.126557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022707
observed 17d4ea5299e5609e934edb5d8b73d4e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:12.109070ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022707/manifest.json
observed dbc62fc231334e3dbc06eecf6bf3e3cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:12.090411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022707/publication.md
observed 096a8cda158cc71fa98728bf67f6c5d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:12.070644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022707/publication.txt
observed 8cea83de7386a0182f27d9ad6f6a0c16...
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.