OpenTechnical

OT-2026-000009775

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, pump fed, vented after 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-2026-000009775) never changes.

Identity and time

Publication numberOT-2026-000009775 · never reused
Internal UUID01a0ae6b-7565-76a7-b108-c7d3295a9228 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:13.151287Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009775
StatusPUBLIC

Content hashes

Canonical text4ae81489c5ac107bad6f1852c0304dd7f040fe596d93b828bd02279a7f012ba4
Markdown0114cd61bf4be32d65af8cf9a097de9076029e63b85641f653088ee60fecc70c
PDF
Publication page193aeafe0452d0b13896f68c5b5877b64b3ff2fe99b99095881bdeea7aa0c0d3
Manifest41ce9442bdece10e3f03c583d03d05eecf2931500afd0644e5f77c2734ba008d

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
Signature8PCKu2JzdoZAUHB3HNwRW/5sYxZYssnwcLTlPmKE4iEQT293czRUzfQi1l0vDgJSEICceUiNJw6JQIoF3jyMDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:17:17.317951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009775
observed 193aeafe0452d0b13896f68c5b5877b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:17.299518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009775/manifest.json
observed 41ce9442bdece10e3f03c583d03d05ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:17.278870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009775/publication.md
observed 0114cd61bf4be32d65af8cf9a097de90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:17.259813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009775/publication.txt
observed 4ae81489c5ac107bad6f1852c0304dd7...
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.