OpenTechnical

OT-2026-000078832

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, single stage ejector, vented after 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-2026-000078832) never changes.

Identity and time

Publication numberOT-2026-000078832 · never reused
Internal UUID01a0ae95-ccbd-7ba2-b224-9f4481f4ac51 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078832
StatusPUBLIC

Content hashes

Canonical text0b45753b582c636145958bd90aff7773b1c9513e7714ffe501b113ddf1dc84d7
Markdown92d56c252796c11851808058e2ca11b7be5651a90c055ef90f5cdb937a36faba
PDF
Publication pageef8e74cdfc1c3c8178ee49f5d9790cb3cb7420ec0ee0ce5b1e333231cdd0c8a0
Manifest0b32688e5fa65da6ac53205ab47e2edee19ba34271df2bc00dfe71ae46d23314

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
Signature/Rir1+P380Be8PFaCx9hXYE3BwvRljAbCmHPQRh+KXZu6mZOl4SL2SWCYKtcOKCGerlfJiC7i3YYQVpg/RhgBQ==
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

2026-09-17T10:05:22.067009ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078832
observed ef8e74cdfc1c3c8178ee49f5d9790cb3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:22.048639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078832/manifest.json
observed 0b32688e5fa65da6ac53205ab47e2ede...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:22.031392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078832/publication.md
observed 92d56c252796c11851808058e2ca11b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:22.011538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078832/publication.txt
observed 0b45753b582c636145958bd90aff7773...
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.