OpenTechnical

OT-2026-000091519

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000091519) never changes.

Identity and time

Publication numberOT-2026-000091519 · never reused
Internal UUID01a0ae9c-f16e-7935-aae9-854493899001 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091519
StatusPUBLIC

Content hashes

Canonical text3eccaf3ffa886417dc784c117e11a7b923c981ea3985931bc12d9caf325831eb
Markdowncb9c34828d84d89fe14450a2631ef6c08d0b1653b718044c5476fdb5105d4b53
PDF
Publication page99f666c1a477adbb5c9eb8be274e546ae2a392adbc3f1c01d8e3fb63b9a83a14
Manifest05dbbcf1cc81f153db0520d54c62a4fd32a89fc8631b5b2365dc95e439119a47

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
SignaturefxWNvAjcAxrlns1I0VYpoM3rwEfkkBbb5bzfv+xXzAULEiF3nPM72AuwmmvOPj3ZFFIqlvpf6Mh5ROOKQg1JBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:43:47.129053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091519
observed 99f666c1a477adbb5c9eb8be274e546a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:47.111281ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091519/manifest.json
observed 05dbbcf1cc81f153db0520d54c62a4fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:47.094925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091519/publication.md
observed cb9c34828d84d89fe14450a2631ef6c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:47.079036ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091519/publication.txt
observed 3eccaf3ffa886417dc784c117e11a7b9...
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.