OpenTechnical

OT-2026-000025887

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, single stage ejector, pulsed blow-off before set-down

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-2026-000025887) never changes.

Identity and time

Publication numberOT-2026-000025887 · never reused
Internal UUID01a0ae71-a83e-7aa0-a3bd-bdf8b08d38a9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025887
StatusPUBLIC

Content hashes

Canonical texte413297cc26cf8f1950eeb78db50143ad2205fed5967af95b53f9241c9fff159
Markdownaa1efe1c21353080946b9cf040497585347412af23a4e8e151b39506dc89afbe
PDF
Publication page911db4789e094a444a0582c6a32999ab9158874f8d56722466571c0f9e46685f
Manifest0998479bc2b6fa3d8ce385de6edeeef86e51bd70e15de0044003805f5ebf14d0

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
SignatureDmji7fBklz3hSyhcgkcnrt/qV3EUkLgpzWiHw32XX93QkZ3+lBJLcMjnc4vMxrG1FBJ4TLmN/hOMjDcWlopbDQ==
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

2026-09-17T11:46:13.705387ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025887
observed 911db4789e094a444a0582c6a32999ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:13.685308ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025887/manifest.json
observed 0998479bc2b6fa3d8ce385de6edeeef8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:13.667206ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025887/publication.md
observed aa1efe1c21353080946b9cf040497585...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:13.650050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025887/publication.txt
observed e413297cc26cf8f1950eeb78db50143a...
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.