OpenTechnical

OT-2026-000100876

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, pressure sensor per zone, sustained blow-off before set-down, on a tool changer

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-2026-000100876) never changes.

Identity and time

Publication numberOT-2026-000100876 · never reused
Internal UUID01a0aea3-c376-7e99-8935-39547065490a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:43.138721Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100876
StatusPUBLIC

Content hashes

Canonical text16949c20567dbd55dd78ad1f0d1d23cc849b2eb06891ce769006632653d022d5
Markdown822af6bb3921a3567c33b0e1a8893695c96175f40e23c1a10740324bceadece6
PDF
Publication page9f7c59da830d626a50dbafd5dacac6b7d773b8971d5fd46ff7a55b700e6535bd
Manifest417036da4b1c0f94445665c23672a2e92c32d32ce23bac8fda6892945e1971bd

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
SignatureXEV8yrvrxb3wOudPx0q6J+VI6k/qPXjqtmIdekYDN+M47da/WnLd5GExPvhisaJ3vjZO/rVGHMmw4b6lM9UcCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:26:21.890103ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100876
observed 9f7c59da830d626a50dbafd5dacac6b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:21.874316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100876/manifest.json
observed 417036da4b1c0f94445665c23672a2e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:21.857655ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100876/publication.md
observed 822af6bb3921a3567c33b0e1a8893695...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:21.841264ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100876/publication.txt
observed 16949c20567dbd55dd78ad1f0d1d23cc...
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.