OpenTechnical

OT-2026-000089178

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, pump fed, supply line pressure sensor, 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-2026-000089178) never changes.

Identity and time

Publication numberOT-2026-000089178 · never reused
Internal UUID01a0ae9b-db00-7158-8239-9241f55e552b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089178
StatusPUBLIC

Content hashes

Canonical text9842d79aa02e41dd798e9860d5a2504f5d6ba88528511c802d1355dbbc259c08
Markdowneee7dfd8309b0d5912b0ddf08992a69482509264d28c7a9e690d2f5f4d2424de
PDF
Publication page13b209a2d3e30f67b7e2681cb4c9ea65e660415b21346d0a6e086f7481a77c25
Manifest6b73c875b4d54afbd0ba56a2504d786e36df818522a1c50b7579d758dc2ab0c8

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
SignatureoXZOArHgWyzvgV+wwbdXrTomV3Zgn/g2CHiF2wrrstnDo1YbcgIViIamUb8/xjH4FgFtLQAYXQ60+7jvm2XdBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:47:11.459778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089178
observed 13b209a2d3e30f67b7e2681cb4c9ea65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:11.444037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089178/manifest.json
observed 6b73c875b4d54afbd0ba56a2504d786e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:11.426953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089178/publication.md
observed eee7dfd8309b0d5912b0ddf08992a694...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:11.410406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089178/publication.txt
observed 9842d79aa02e41dd798e9860d5a2504f...
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.