OpenTechnical

OT-2026-000059142

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, vented before set-down

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-2026-000059142) never changes.

Identity and time

Publication numberOT-2026-000059142 · never reused
Internal UUID01a0ae89-8612-72a7-adbe-a62ffb7541c1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:03.500379Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059142
StatusPUBLIC

Content hashes

Canonical text4260ee994a505174fd9bbadfb2e0a61321c3313d826aaa241ed88598945132e2
Markdown3ddcf062bd8ba0394905d0d75504c3291c204adafff4e262973953a755bcd66f
PDF
Publication paged3c9064cbe0e8bddc4401a05b8d3eb627f7b3e0bdf42e7b44992e2d4357de105
Manifest934e5c50edf7e14c2067e13d8d6ec58da41f236fcd8a8002d977c63fd626d056

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
SignatureEZHsv32Rziw+pQqYQT95hrUJHzmwBQREBx2W0RAAiBoEyNF7E4I3Gv+zyyHfXEYHUgnqTj9pHWcNeKYVpKVaCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:45:05.419220ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059142
observed d3c9064cbe0e8bddc4401a05b8d3eb62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:45:05.399287ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059142/manifest.json
observed 934e5c50edf7e14c2067e13d8d6ec58d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:45:05.380096ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059142/publication.md
observed 3ddcf062bd8ba0394905d0d75504c329...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:45:05.361718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059142/publication.txt
observed 4260ee994a505174fd9bbadfb2e0a613...
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.