OpenTechnical

OT-2026-000074047

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, three stage ejector, manifold pressure sensor, 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-2026-000074047) never changes.

Identity and time

Publication numberOT-2026-000074047 · never reused
Internal UUID01a0ae93-2b8f-73f8-9172-1743b78c579c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074047
StatusPUBLIC

Content hashes

Canonical textb9498527afd1b15bf7c7109e1c634b4c73c53aede7b2f633c789e4edada32293
Markdownccc5f6ec9c72b5ba594dcf395112ea694bc75b12a3002964c811d1978f21498e
PDF
Publication page0e0294b4b8ac2bb91c2757902b2c1769f361154cf34e0a0f616ee23488c0c3d8
Manifest82249c8b316df005744a7668d2f5de696ae6037553bb56445d650ccf22f3b9d9

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
SignatureZI4sZOZh7gvAxOJmT5I7E4WB7vikg2B98dBah31R/P9Zw1Dh4zBYeHETE4biuI2dGzyEVRrMzXCI5CMOXVaQBw==
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

2026-09-17T10:20:22.269916ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074047
observed 0e0294b4b8ac2bb91c2757902b2c1769...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:22.253535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074047/manifest.json
observed 82249c8b316df005744a7668d2f5de69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:22.232655ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074047/publication.md
observed ccc5f6ec9c72b5ba594dcf395112ea69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:22.211210ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074047/publication.txt
observed b9498527afd1b15bf7c7109e1c634b4c...
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.