OpenTechnical

OT-2026-000005598

Publication integrity record

Porous face vacuum gripper, per zone isolation, plant vacuum fed, pressure verified, contact triggered

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-2026-000005598) never changes.

Identity and time

Publication numberOT-2026-000005598 · never reused
Internal UUID01a0a93e-8821-7718-beaf-ca75e4b3395a · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:04:02.725808Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005598
StatusPUBLIC

Content hashes

Canonical textd7dacc23e85fde6de4457fed65fc75956f2db12ca3282e707f813ea951b34bde
Markdown066f2d41b7dc6ac050ff3d7235909bd650669760969fc5b2cef16da8951a04b9
PDF
Publication page9a3a58a41ab87d5093d628fdb10541254d8c610dc42cdb1dba66615d1db137dd
Manifestaefd453d49d1e02a0b9ac6ce4bed55d288c2f8f6d0bf21b6dc1c12e0caa5e0ad

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
SignatureWEDEyG77IoSnJlDloGmRwvwI7cQtxZtkMywN0N1VltiuVICy2A79tx2Dge8XBqPGfnuVQs93nsPpvoqOxLIEBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T08:10:22.415858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005598
observed 9a3a58a41ab87d5093d628fdb1054125...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:22.401155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005598/manifest.json
observed aefd453d49d1e02a0b9ac6ce4bed55d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:22.387679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005598/publication.md
observed 066f2d41b7dc6ac050ff3d7235909bd6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:22.372538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005598/publication.txt
observed d7dacc23e85fde6de4457fed65fc7595...
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.