OpenTechnical

OT-2026-000020943

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, three 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-2026-000020943) never changes.

Identity and time

Publication numberOT-2026-000020943 · never reused
Internal UUID01a0ae6f-65e4-720f-a6dd-4119e4036ca1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:31.316024Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020943
StatusPUBLIC

Content hashes

Canonical textf8135037fb808fde04af6b947a736a9f10a051be1ae3172fadf2eb50230ae3ee
Markdown0f405e9c38ba81eb65a8e4018973d7c5b521082b7ff592ca73056d9b6999f6d4
PDF
Publication pagec69cf9e7b7b8f0531f8012be8d77134d7460b377e83e989b0234c7cb8d46602a
Manifest407ac472a9c48a4422381455239b03ff9ee4c3e6e3d53791c96989b5cbf7e9c5

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
SignatureBpnrf9iGoVA+v4E9CcRLg9tJW/1ZATfnKCh7lBebhh8Uvj8Vir+tzDOxaHp000MVNRQkrBHG4jj3R31GyLZVAw==
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

2026-09-17T11:56:04.631869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020943
observed c69cf9e7b7b8f0531f8012be8d77134d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:04.614846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020943/manifest.json
observed 407ac472a9c48a4422381455239b03ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:04.597427ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020943/publication.md
observed 0f405e9c38ba81eb65a8e4018973d7c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:04.579467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020943/publication.txt
observed f8135037fb808fde04af6b947a736a9f...
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.