OpenTechnical

OT-2026-000005198

Publication integrity record

Porous face vacuum gripper, per zone isolation, three outlet manifold, plant vacuum fed, pressure verified

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-2026-000005198) never changes.

Identity and time

Publication numberOT-2026-000005198 · never reused
Internal UUID01a0a931-03c4-746c-8bd6-1383643c260c · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:49:16.872376Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005198
StatusPUBLIC

Content hashes

Canonical text723044e1677d68519daaca9c49690103bcd7e138140bb0b280030b5f711324fa
Markdown790c742c2890b3e923e6139bd0c866e253c6e6ed947ad85ab7c13d54ce188c3d
PDF
Publication pagef5006f3ee98d7a220fed394ffdafadfe3a48843a51a33898aec150801eea20d2
Manifest79388bab5516cc99308007d731e0aaa75049555f8fce8d63c7870e288657259e

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
SignatureUh/8oKmc3OJx5vy/hI6dQCC3oKwqUpU27HZIzuospZAyrLLe86WT0ciGiMkwrk2Su28ME8GSiyayRXKH/frMBA==
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

2026-09-16T07:50:04.687840ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005198
observed f5006f3ee98d7a220fed394ffdafadfe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:04.674387ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005198/manifest.json
observed 79388bab5516cc99308007d731e0aaa7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:04.660518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005198/publication.md
observed 790c742c2890b3e923e6139bd0c866e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:04.646092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005198/publication.txt
observed 723044e1677d68519daaca9c49690103...
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.