OpenTechnical

OT-2026-000030418

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, plant vacuum fed, manifold pressure sensor, sustained 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-2026-000030418) never changes.

Identity and time

Publication numberOT-2026-000030418 · never reused
Internal UUID01a0ae73-e503-7617-ad78-5c124e91cdbb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030418
StatusPUBLIC

Content hashes

Canonical text32f651fa2eaf4d36a60bfdbc3a99d10cf7d2be5ef9fba0626c032d71fb30d555
Markdown6f47a85850c4ebc043d65e3a0a1964376d4143b241addaa00f575fb21ab5cacb
PDF
Publication page311cfa66ddcb119bf43750655d2265e6555ef16d3ca00fb32a9c2084577aef9b
Manifest979af7a19c5c475213d8a96860dc66f47c44a100c51cbdc978d5db00e083fea6

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
SignatureQseGchz9KAAA+W3VklDkbkA8QuRlBUPALvUD3BaTn9Brc0SSJ0pvKJiiWekxf4+2VrpHqFkeZZepyegEmptPCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:38:09.157136ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030418
observed 311cfa66ddcb119bf43750655d2265e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:09.140991ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030418/manifest.json
observed 979af7a19c5c475213d8a96860dc66f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:09.122134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030418/publication.md
observed 6f47a85850c4ebc043d65e3a0a196437...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:09.102638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030418/publication.txt
observed 32f651fa2eaf4d36a60bfdbc3a99d10c...
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.