OpenTechnical

OT-2026-000091319

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, two stage ejector, pressure sensor per zone, sustained blow-off before set-down, on a tool changer

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-2026-000091319) never changes.

Identity and time

Publication numberOT-2026-000091319 · never reused
Internal UUID01a0ae9c-f16c-71ef-9b71-0c9a1054ac96 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091319
StatusPUBLIC

Content hashes

Canonical textc6e175d67265746e7b07ee3259dae55cda87e6c9fe49a56523731a6b9b0f0541
Markdown015b7d8a1d19fa4eddb9f41b8cd9a8004219a1e972f9b8b4145fc59ec00541c1
PDF
Publication pagee093520391ab05f09ada336bee2682a27eff16a038c3c735713c62ce4f573497
Manifestb42c4db93c127623b85855885a622becc15590a2d84c18c537c21b65519c9055

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
SignatureSMfvcPcWBZH+/oF1F5az+ilLJb533VJDAeo5ZJ4DcD/ebuchoT0SzxpGE46EdMKRasnNob54xUP6yPrbJ2saDw==
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

2026-09-17T09:43:31.295589ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091319
observed e093520391ab05f09ada336bee2682a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:31.276866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091319/manifest.json
observed b42c4db93c127623b85855885a622bec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:31.260065ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091319/publication.md
observed 015b7d8a1d19fa4eddb9f41b8cd9a800...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:31.241957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091319/publication.txt
observed c6e175d67265746e7b07ee3259dae55c...
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.