OpenTechnical

OT-2026-000087607

Publication integrity record

Four cup vacuum gripper, four zone face, three stage ejector, supply line pressure sensor, sustained blow-off before set-down

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-2026-000087607) never changes.

Identity and time

Publication numberOT-2026-000087607 · never reused
Internal UUID01a0ae9a-cd53-7973-b793-a38c007d9b60 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087607
StatusPUBLIC

Content hashes

Canonical text28878fb4879578c677ba8e465562fdb3f7e257547821255a37f377b6db766c0c
Markdowncd7e52b6c35bcec88dc9c9af966bb3f19e9a6a855ec40cf9d282578fe6f946bb
PDF
Publication page6614d46370f5472b0da64b9f0b6a1ecc32623044a5906f1e9f7a6619c3fbe4b9
Manifest15b66795778aae668d07f896072c8807fb018a254e4482b3514505fad89e98a4

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
SignatureXgz/q8yZZK5ouYkg2SuyEsYMY67qVCcBx4sD4QR/pEB8nb1OJX4F4IYPMlM/mGOfg4zX79A/HxDzWYIibOxhBQ==
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

2026-09-17T09:51:02.919310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087607
observed 6614d46370f5472b0da64b9f0b6a1ecc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:02.901519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087607/manifest.json
observed 15b66795778aae668d07f896072c8807...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:02.882149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087607/publication.md
observed cd7e52b6c35bcec88dc9c9af966bb3f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:02.795226ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087607/publication.txt
observed 28878fb4879578c677ba8e465562fdb3...
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.