OpenTechnical

OT-2026-000103274

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, single stage ejector, pulsed blow-off 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-2026-000103274) never changes.

Identity and time

Publication numberOT-2026-000103274 · never reused
Internal UUID01a0aea4-be3f-7bdd-b755-e4fc73d0f819 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103274
StatusPUBLIC

Content hashes

Canonical textca82b3387f62d9c493e377551f223e680c9cad9b85cbdaf1637e4efc5fd8856b
Markdown986b9c154424b8e737a06a687d60c36af16c35585a709948f9a21c8df51a768a
PDF
Publication pagebf3dcdf1c3eb499a9fa6c543195749f00d8b18dcdbe02c1f0251801b0a8f5383
Manifest54c9733ead5cf591c972897c31e111d361d48a97d7d3b99a1f3bf146ee6e5f4e

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
SignaturegMVZkYYcbE3yODmX2XV+9UkjSYeWiBxFMVTJXjTQeL6vOgBCBPa+jJpipOIN+HPt+VcJrTHDZvM8mqghHJr8Aw==
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

2026-09-17T09:23:30.831287ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103274
observed bf3dcdf1c3eb499a9fa6c543195749f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:30.813559ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103274/manifest.json
observed 54c9733ead5cf591c972897c31e111d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:30.797048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103274/publication.md
observed 986b9c154424b8e737a06a687d60c36a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:30.777642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103274/publication.txt
observed ca82b3387f62d9c493e377551f223e68...
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.