OpenTechnical

OT-2026-000006813

Publication integrity record

Vacuum cup gripper, three zone face, two 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-2026-000006813) never changes.

Identity and time

Publication numberOT-2026-000006813 · never reused
Internal UUID01a0a968-40ea-7396-9dc4-c8e3f84304ee · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:49:37.004967Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006813
StatusPUBLIC

Content hashes

Canonical textb9e0decbcf956edecca09829c7c80433e4a26ab9fcce06b1b69cd8ffa91c993e
Markdownad5ddb85c8e204ae45f876ee098e0433e652c7603227d79011807bc7747badde
PDF
Publication page529da490afd735d3e96665c10f5d4beb86603ee24b630f5c8e616034c2807610
Manifeste311477621bdae18576ea1a8327706500cd84b5cab6b56059ed2f4d60af26ee0

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
SignatureBUh2loXcAMeDqGhcviaCC8X/yNl9REKpUyLyrrRjjgNecf6Q6CLX53c2u7VIa4REh7zeZkJS5ENewwueexITDw==
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

2026-09-16T08:50:03.467942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006813
observed 529da490afd735d3e96665c10f5d4beb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:03.452141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006813/manifest.json
observed e311477621bdae18576ea1a832770650...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:03.439749ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006813/publication.md
observed ad5ddb85c8e204ae45f876ee098e0433...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:03.426170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006813/publication.txt
observed b9e0decbcf956edecca09829c7c80433...
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.