OpenTechnical

OT-2026-000075799

Publication integrity record

Two cup vacuum gripper, two zone face, pump fed, pressure sensor per zone, pulsed 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-2026-000075799) never changes.

Identity and time

Publication numberOT-2026-000075799 · never reused
Internal UUID01a0ae94-29fe-7439-bcf1-5751635c5348 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075799
StatusPUBLIC

Content hashes

Canonical text6138fbc95369f9fe2252d19194f5544008db01b3c44336d5552d69bb6227692a
Markdown6100dfb3228cc70de00e48b04a4f070730b29c8baf086fe9ae3292e7621c8e61
PDF
Publication page26abf3d0dd009b3f318373ca4fff496bb90f090b07a6a0a8669b0f601b16cefb
Manifesta16c4005a2a37fa0e1b04c432ba783fab3ffcf3ba0351bbec00b03c2a57416cc

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
Signature8jUcbfXL8LJGAhppxn0Rg/O/VnK1sB2T71a6KTJYA7liEsq9C32BwfRVFOUMJXp1ZdUd2VG/Rxv8yWti0vbQDA==
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

2026-09-17T10:14:17.291601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075799
observed 26abf3d0dd009b3f318373ca4fff496b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:17.272594ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075799/manifest.json
observed a16c4005a2a37fa0e1b04c432ba783fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:17.252416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075799/publication.md
observed 6100dfb3228cc70de00e48b04a4f0707...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:17.233401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075799/publication.txt
observed 6138fbc95369f9fe2252d19194f55440...
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.