OpenTechnical

OT-2026-000059947

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, pump fed, supply line pressure sensor, 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-2026-000059947) never changes.

Identity and time

Publication numberOT-2026-000059947 · never reused
Internal UUID01a0ae89-ec26-7875-9fd2-9c8463f055d8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:29.732559Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059947
StatusPUBLIC

Content hashes

Canonical textacd4df0816fb56c5b0e8897a75bbc8cee098ea0ad17a17cc2c5b520edbe844e6
Markdowne900aafe0594443c5042b036c2972fd650d5a4f972e4872120f0b8548aaab1d3
PDF
Publication pagebbcfcb7f5e173f1ee9c6d17ed8f9dd47fd0d46022a48818a7ffb976c0c957617
Manifest43abe08c23f0521a052715b1912067fa31d9cb96fcdc2b2633a8c9745b6330f3

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
SignaturesyBy37oDziBD5ar+P6nqi1z0S4kAwp4dRbJ8UnB5crwvE3/Rp5BBriUox1twK2HkTV0VGMSIqARfs7hGhslqCA==
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

2026-09-17T10:44:43.565953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059947
observed bbcfcb7f5e173f1ee9c6d17ed8f9dd47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:43.549368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059947/manifest.json
observed 43abe08c23f0521a052715b1912067fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:43.531703ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059947/publication.md
observed e900aafe0594443c5042b036c2972fd6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:43.512768ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059947/publication.txt
observed acd4df0816fb56c5b0e8897a75bbc8ce...
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.