OpenTechnical

OT-2026-000030842

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, 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-2026-000030842) never changes.

Identity and time

Publication numberOT-2026-000030842 · never reused
Internal UUID01a0ae74-3fb5-7c46-8a47-40b5307abe61 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030842
StatusPUBLIC

Content hashes

Canonical text5dea06b5b0d76bf38d4005d9099050cfc8f223904d5a949fda03c95e8d764479
Markdown1175d06c7177a7035b7faad2fe070b8272473c3347b7cffd8877726b596119e7
PDF
Publication pageff4ec581271013b9a7742f967de1cd6d4e9d6309adbec1a7143276f03bc5c923
Manifestc0b752da5a057059e4fb1db679de91d86f7a432037b24e1c38d2275203525654

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
Signature1HpYXbsDktF9tGwu9CTiFvSgx/RCb/nE6wYas98sVwq7nQ0t6XxVi116bcLm4GKVR6eJiNtW8MPb8a9VYV0XDQ==
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

2026-09-17T11:36:48.989474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030842
observed ff4ec581271013b9a7742f967de1cd6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:48.971385ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030842/manifest.json
observed c0b752da5a057059e4fb1db679de91d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:48.952047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030842/publication.md
observed 1175d06c7177a7035b7faad2fe070b82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:48.933631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030842/publication.txt
observed 5dea06b5b0d76bf38d4005d9099050cf...
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.