OpenTechnical

OT-2026-000006848

Publication integrity record

Vacuum cup gripper, four zone face, plant vacuum fed, contact triggered

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-2026-000006848) never changes.

Identity and time

Publication numberOT-2026-000006848 · never reused
Internal UUID01a0a969-8bb0-7632-9912-c5d18041f606 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:51:01.683258Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006848
StatusPUBLIC

Content hashes

Canonical text12085220d631229b6f2521c619154cc9805b6c2dd28014b6ffec66d952a979b1
Markdown4b2ce03afb6a97d54673b1829cf6728a92ae4dba4a2eb9d3f5a8f40f9986509f
PDF
Publication pageb437b1d96e83014c52d521d608be55645bf98a916eea1a0653cc6f810a7efe8d
Manifest2ac2100bb455518cf8b29a86e227775a68e9278beefb88c00bb5490c48ceb9d7

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
Signatured1WCs622VnQt9+1UA+NMGU5ad4f9i15GTo3mXfcWd4WiYdyI0+wDMDDOJfZJSHKN4bUTIzT8DNbNEK2CzF8kCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T09:00:29.478153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006848
observed b437b1d96e83014c52d521d608be5564...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:29.465378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006848/manifest.json
observed 2ac2100bb455518cf8b29a86e227775a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:29.452457ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006848/publication.md
observed 4b2ce03afb6a97d54673b1829cf6728a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:29.439328ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006848/publication.txt
observed 12085220d631229b6f2521c619154cc9...
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.