OpenTechnical

OT-2026-000029490

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, pump fed, supply line 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-2026-000029490) never changes.

Identity and time

Publication numberOT-2026-000029490 · never reused
Internal UUID01a0ae73-5e21-7a1c-9baf-b460c9e517e6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029490
StatusPUBLIC

Content hashes

Canonical textac3555da0572613ff9ac6b053e677175718a06ce16e643f198e3110fe40c2f0e
Markdown5439ccb27300edf944fe856a2f91ae514c56c930e85dce5abb8be5e101911252
PDF
Publication page1e2d3ad2018e90da5691765228a09ac92588d2b63f076347173a5060daf566dd
Manifestf9431e6b3baee8ab880e25548459ce5a2aaddfbda9ee937da179870410eadde0

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
Signature+vPeWORiwll5U1yn3SMiqtloUgBazoWxcxzbmSu5fbfW4ZtC+B7KwUqPtrf/ubfHv3KB8XhrZogD4AmY6Ea9Ag==
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

2026-09-17T11:39:07.178723ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029490
observed 1e2d3ad2018e90da5691765228a09ac9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:07.162895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029490/manifest.json
observed f9431e6b3baee8ab880e25548459ce5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:07.145638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029490/publication.md
observed 5439ccb27300edf944fe856a2f91ae51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:07.128132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029490/publication.txt
observed ac3555da0572613ff9ac6b053e677175...
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.