OpenTechnical

OT-2026-000016195

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, single stage ejector, 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-2026-000016195) never changes.

Identity and time

Publication numberOT-2026-000016195 · never reused
Internal UUID01a0ae6e-2d11-740f-9b5f-228de38e9da4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:11.237946Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016195
StatusPUBLIC

Content hashes

Canonical text2199e244450bc652c012c171144961d4bf8cb6bbeca07c11326ba305f3228f27
Markdownce834b7787ef7f2c96e3fb3aa7598ec802a5537aab4e5412951e238c61b655f1
PDF
Publication pagecdaf5f5edde3b1d1bae4589d9fdf952874ec79a03fd855585d032e4448b3d051
Manifestff06fc8e2056724518a487ccc85372eaf3dbb50a13e2700edc9631b31d2d9bea

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
Signatureo6SPQLnsNLooxY+w9T+vg/Ly3paLW6a5xoxX5iMwX7pIidLsvb5nbKBF9HvaMEud4pQr23L6tCBXCb41S8kwBw==
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

2026-09-17T12:03:39.123924ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016195
observed cdaf5f5edde3b1d1bae4589d9fdf9528...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:39.106937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016195/manifest.json
observed ff06fc8e2056724518a487ccc85372ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:39.089876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016195/publication.md
observed ce834b7787ef7f2c96e3fb3aa7598ec8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:39.070320ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016195/publication.txt
observed 2199e244450bc652c012c171144961d4...
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.