OpenTechnical

OT-2026-000099413

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, pump fed, manifold pressure sensor, 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-2026-000099413) never changes.

Identity and time

Publication numberOT-2026-000099413 · never reused
Internal UUID01a0aea2-c973-7e7f-b8b6-4ea43a0c10ff · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099413
StatusPUBLIC

Content hashes

Canonical textad5e9135190e5b7fbfbca1d28a605a4d57f6772fdba4a490528569bfbb3a236d
Markdown3926256380d1923d6745112cc972cbee4e2152d4350c8bf50abaea5b6c48ef47
PDF
Publication pagec46a7d7e0176bb5f9f7ea11e397720126e3eaed25a51689a8127b518eb1b3e25
Manifest8d5e96b441a2f10ef26e43ecbcb241af92fb8a41865c8817e0998b0327e386ad

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
SignaturevaVB+eOpgEUy2xKRYWoLHEWbdN9V4LfAUfMQBryR/jeFAERsouA8frmHYhy0LVkhpFcnXZvfP5WO0CjMwNTvCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:29:10.916669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099413
observed c46a7d7e0176bb5f9f7ea11e39772012...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:10.897544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099413/manifest.json
observed 8d5e96b441a2f10ef26e43ecbcb241af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:10.880843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099413/publication.md
observed 3926256380d1923d6745112cc972cbee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:10.864406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099413/publication.txt
observed ad5e9135190e5b7fbfbca1d28a605a4d...
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.