OpenTechnical

OT-2026-000075699

Publication integrity record

Two bellows 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-2026-000075699) never changes.

Identity and time

Publication numberOT-2026-000075699 · never reused
Internal UUID01a0ae94-29fd-7fd0-ba64-87b877895ea6 · 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-2026-000075699
StatusPUBLIC

Content hashes

Canonical text11031b12091389cdd3e76d34abb7e5194e075b36147326f17dfe9fb4694e09ba
Markdownffe72c8ca10d13109a36f974d7a764ec945a6d978dae6497f04fe4661cef4a4c
PDF
Publication page11055bf0ee36485a190850d08bfb015f6607b50b410550377edc6d22f4f9956b
Manifest773f2f1ea8447f9460a758653acfe108dc9264ef96480f5ab09f44b2933f62e7

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
Signaturex50CAPhqdbdzU3WIZrEXlrc62rJQ1I/YEVMGRyLdA6TxIi61nHTeh8qIIt4SUKGH6aPvHmGIWXbUwyW5K9j0CQ==
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

2026-09-17T10:13:47.309681ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075699
observed 11055bf0ee36485a190850d08bfb015f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:47.291298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075699/manifest.json
observed 773f2f1ea8447f9460a758653acfe108...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:47.274933ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075699/publication.md
observed ffe72c8ca10d13109a36f974d7a764ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:47.257883ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075699/publication.txt
observed 11031b12091389cdd3e76d34abb7e519...
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.