OpenTechnical

OT-2026-000090758

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, single stage ejector, pressure sensor per zone, 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-2026-000090758) never changes.

Identity and time

Publication numberOT-2026-000090758 · never reused
Internal UUID01a0ae9c-7f31-719b-afab-fe0bea58a7b7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:46.997728Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090758
StatusPUBLIC

Content hashes

Canonical text891ea453c2b5fa7becc98d0ad874b2bae0acf8319978ab58802c1786eabf6192
Markdownb3a15aa8d7594c88c8556b23702a53d5170b368237485cbb2fa7845b4e494805
PDF
Publication page14b38330b1f20b4434e8fc592e7367fbab4e357f18031e73a1c60756424614d1
Manifest06a236fb38ba8202fde276cd249a91ab3e56cd7f25c14246eaea8e6d0ad55718

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
SignatureLbXSE4BZR7lGTTCPNKcR2634veajj3znZQxFDdRhjupCe6b1xNOKivqZ1vsY8yvy/pZLtlgSOB/OUAKwC+WmCg==
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

2026-09-17T09:44:57.220153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090758
observed 14b38330b1f20b4434e8fc592e7367fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:57.203581ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090758/manifest.json
observed 06a236fb38ba8202fde276cd249a91ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:57.185191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090758/publication.md
observed b3a15aa8d7594c88c8556b23702a53d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:57.166566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090758/publication.txt
observed 891ea453c2b5fa7becc98d0ad874b2ba...
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.