OpenTechnical

OT-2026-000005536

Publication integrity record

Porous face vacuum gripper, six outlet manifold, pump fed, pressure verified at each zone

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-2026-000005536) never changes.

Identity and time

Publication numberOT-2026-000005536 · never reused
Internal UUID01a0a93c-5a8f-71ef-b7aa-a1e3e2faf5b8 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:01:39.986637Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005536
StatusPUBLIC

Content hashes

Canonical textdff2f03365c8101d61954a7b31ced934365eed559afb17a095993f049e6598a6
Markdownc91025908afc15c3c1e6dff1c7f5f13fa002f0d10d05aff27a0b82128e81c515
PDF
Publication pageeb80f385eb6970ee0b33f5070e4c0df89dd40f56aaf6e96de02ce39769e93d7c
Manifeste084891ef74c2f23946b703fffa43f2032df4377ab84311ccc07a11604bced23

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
Signatures5tY4AAgbpQzn3swQLXbYccenf4IzwLbHsF25vYpVl1W/oUVd1WnYxiXlcOTTWOZwwCD2L3AebQPVYvSyC/SAw==
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

2026-09-16T08:10:29.389219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005536
observed eb80f385eb6970ee0b33f5070e4c0df8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:29.374460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005536/manifest.json
observed e084891ef74c2f23946b703fffa43f20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:29.235532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005536/publication.md
observed c91025908afc15c3c1e6dff1c7f5f13f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:29.222010ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005536/publication.txt
observed dff2f03365c8101d61954a7b31ced934...
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.