OpenTechnical

OT-2026-000056591

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, single stage ejector, supply line pressure sensor, 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-2026-000056591) never changes.

Identity and time

Publication numberOT-2026-000056591 · never reused
Internal UUID01a0ae87-7af5-7704-ad45-86945b14959a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056591
StatusPUBLIC

Content hashes

Canonical texte3e2692e586a5f9d931aa53b8aaa65c9f8835626c9240929ebff9da2322a87af
Markdowne9330395fb3e1cbf848f7dcd34134875583e111f4e11b19de1224d3eacf7bd8a
PDF
Publication page562924e8e4867832a83af47c3ce350565edf1f54315f8345a6691454329ab0e2
Manifestdefca17726a71a83499dc1fe2ae7fd20530bd29b5b41bbb301b70d6ef86492f9

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
SignatureKpRrHl48/JKjO6xsBQq6Isj+nw8YBqETa/tRAOn6RWfeRgRKjrcKyIwwXJ8V9XkEqznqYZ/DUe1zICdQM4ecCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:49:56.256136ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056591
observed 562924e8e4867832a83af47c3ce35056...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:56.237958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056591/manifest.json
observed defca17726a71a83499dc1fe2ae7fd20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:56.218788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056591/publication.md
observed e9330395fb3e1cbf848f7dcd34134875...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:56.199938ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056591/publication.txt
observed e3e2692e586a5f9d931aa53b8aaa65c9...
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.