OpenTechnical

OT-2026-000005823

Publication integrity record

Vacuum cup gripper, three zone face, three stage ejector, pressure verified, contact triggered, rubber cups

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-2026-000005823) never changes.

Identity and time

Publication numberOT-2026-000005823 · never reused
Internal UUID01a0a946-0ae8-7f9d-87d8-24d336213f34 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:12:14.955549Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005823
StatusPUBLIC

Content hashes

Canonical textfc71a7ccd5999bc4876a6b003915588ac3d0116f4d3918958ec7284b1677999a
Markdownd4bdcd199a4e07a720509e1c96e55f17981b77ae829a0e1b8959df5f498af088
PDF
Publication page914dc626623c7c597816a5ede531e8562b862b87f28fdeea3b4c8d3dd554e8a9
Manifest99ea48250f987adb78de271b64abf2161c6fe90ea94f43e0d9a03c467599b37e

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
SignatureKeaMjdiYOmvB0NKWsuKvrEIO8UQrHPpbbW+aECBMvtANqJqxk6B/VnR6SPgL7hYryI4QFV0c9ULSUFZ6My5AAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:20:28.679780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005823
observed 914dc626623c7c597816a5ede531e856...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:28.666236ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005823/manifest.json
observed 99ea48250f987adb78de271b64abf216...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:28.653168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005823/publication.md
observed d4bdcd199a4e07a720509e1c96e55f17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:28.638946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005823/publication.txt
observed fc71a7ccd5999bc4876a6b003915588a...
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.