OpenTechnical

OT-2026-000017859

Publication integrity record

Two bellows cup vacuum gripper, two 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-2026-000017859) never changes.

Identity and time

Publication numberOT-2026-000017859 · never reused
Internal UUID01a0ae6e-96fb-7570-9b97-2c51418d1014 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017859
StatusPUBLIC

Content hashes

Canonical textd5eaf2077edb732f180be49bb03eaa91b513bba56b11fd23ad0f919683752b9d
Markdown5669df98faf7e2dbb93a1f0c100b03f2d97f0e4253e19933074e53944a2fc48a
PDF
Publication page9f89fc30ed08d11510aa58411a1e2b4c81dedd0d9aebf0c2c24527e0809ee1ef
Manifestbc7b8f339e550c3a68064a932eb3d3b96cb71fc1accfe76dad144a9b0c32c359

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
SignaturebY1qec4IhQwS55JkxejMD9v6VaO6tuoeGEakXqk6awMSDbFxqgw/qbVuxkosfLcd7nkg7Ff+7dcnTsBTPYXlBQ==
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

2026-09-17T12:01:50.572930ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017859
observed 9f89fc30ed08d11510aa58411a1e2b4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:50.557028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017859/manifest.json
observed bc7b8f339e550c3a68064a932eb3d3b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:50.541134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017859/publication.md
observed 5669df98faf7e2dbb93a1f0c100b03f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:50.525153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017859/publication.txt
observed d5eaf2077edb732f180be49bb03eaa91...
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.