OpenTechnical

OT-2026-000019144

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, manifold 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-2026-000019144) never changes.

Identity and time

Publication numberOT-2026-000019144 · never reused
Internal UUID01a0ae6e-f391-7071-83bc-2d2f8d89d34c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019144
StatusPUBLIC

Content hashes

Canonical textc389256f900991dd632f1699ae54d92c5837c6a80f6a158c4875da774cf3ecb3
Markdown7a96a12de7715d533dbc8b005d37407e32a29abc6479d25d80d1f0b63d3ef6c1
PDF
Publication page167ae1dda1714799f8100826486b7fd0ca651b627a436103eff4dcc325b6309e
Manifest962b07b6dd74cad4e53694e5835044ba69deffaaf59272a9d35d58d7f1d483f6

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
Signatureo2q5V1/GsLvR6Gk2E2bBqW2BDeP/qo9fn99Yc2hAflLNa3PP/gvi5y1QGTgWOk4r5fCkKqmVP+vWBLYr3lU1Aw==
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

2026-09-17T11:58:27.252028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019144
observed 167ae1dda1714799f8100826486b7fd0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:27.234821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019144/manifest.json
observed 962b07b6dd74cad4e53694e5835044ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:27.217388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019144/publication.md
observed 7a96a12de7715d533dbc8b005d37407e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:27.201072ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019144/publication.txt
observed c389256f900991dd632f1699ae54d92c...
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.