OpenTechnical

OT-2026-000075643

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two stage ejector, 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-2026-000075643) never changes.

Identity and time

Publication numberOT-2026-000075643 · never reused
Internal UUID01a0ae94-29fd-72cc-8c47-5b1dbef6cb60 · 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-2026-000075643
StatusPUBLIC

Content hashes

Canonical text4dd149787cdcc9587090c623c30b1f86587c91bf2052ebcbc3e71c482094ad45
Markdownc7d2951399727570d5298321a39961dc42389e1ba965da4af9c8c7fb3446be3c
PDF
Publication page11d5bf25b58971f44ea241cb1cf4b84247c5b1a1738affb11696d3f7e77adbbc
Manifest0380c042c9751aec80dc630061b4b100cf2bdecc940b1682b8cfa37850e2056a

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
Signaturecrr53MRQomWyAKsnmknbtWetKwH6pZJDyLWNFL033nqUjYwwLhcJodzurom5HLpWjtnLmZbrQVuxngrNetJEBg==
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

2026-09-17T10:13:36.561488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075643
observed 11d5bf25b58971f44ea241cb1cf4b842...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:36.533960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075643/manifest.json
observed 0380c042c9751aec80dc630061b4b100...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:36.502783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075643/publication.md
observed c7d2951399727570d5298321a39961dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:36.473615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075643/publication.txt
observed 4dd149787cdcc9587090c623c30b1f86...
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.