OpenTechnical

OT-2026-000088658

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, pump fed, supply line pressure sensor, sustained 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-2026-000088658) never changes.

Identity and time

Publication numberOT-2026-000088658 · never reused
Internal UUID01a0ae9b-8f0f-7fa2-a058-db6bd1f26a48 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088658
StatusPUBLIC

Content hashes

Canonical textb681b11baf8226a08e7a4241e67351ce35e3a0b595d5404cd35a46bf0d7239b0
Markdownea2f721594901d3e51366bd8393fa6c8936f0e210ecc84b65b19dffbbd4e051d
PDF
Publication page7ed2317ea1ec6cbc8191f0b8e73f5f702b3ff935c6b8591bb9446c3cb8601324
Manifest210dbbdf7a671c94c71a5776ef48e03353ca98d739bdcb6a6da4db93601000c5

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
SignatureDAVUh03Jf250QwkrdIPZDVTTpttaoLfz3Wh6MDrpYgSTdQ+EYema4eL+uWF7zZbvHrecQ05TXorSJybKxCSVDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:47:52.980325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088658
observed 7ed2317ea1ec6cbc8191f0b8e73f5f70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:52.961974ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088658/manifest.json
observed 210dbbdf7a671c94c71a5776ef48e033...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:52.943660ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088658/publication.md
observed ea2f721594901d3e51366bd8393fa6c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:52.924560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088658/publication.txt
observed b681b11baf8226a08e7a4241e67351ce...
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.