OpenTechnical

OT-2026-000071693

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, two stage ejector, supply line 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-2026-000071693) never changes.

Identity and time

Publication numberOT-2026-000071693 · never reused
Internal UUID01a0ae92-1e91-7cb0-90b6-4f5c721f162c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:26.841552Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071693
StatusPUBLIC

Content hashes

Canonical text55caa28d6f592c9cf7f196303b2a3fb55df4ac88237436b84b4a6952e1d3701a
Markdown17bed5c049cd55d5c89dd5c86595c7fb3b62b08c431703e0fc211d73a22de44d
PDF
Publication page82764c8b0147579d7a941062d5327e1e4c705ca36fc87a6f6123938bacf87c8d
Manifest14fa025996acaeca7886e8262cb381537650dbd04106e805d0426c4ac379d899

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
Signaturekzdu9DH0SizviXdHlD8qSrnQmM5ubEU4f0jnPcJYiUzJJfSrc2GKMyGjsv0xb2qjzgKh2CNYGJ8Y5mlfH0TOBw==
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

2026-09-17T10:23:45.060222ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071693
observed 82764c8b0147579d7a941062d5327e1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:45.035853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071693/manifest.json
observed 14fa025996acaeca7886e8262cb38153...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:45.011091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071693/publication.md
observed 17bed5c049cd55d5c89dd5c86595c7fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:44.985507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071693/publication.txt
observed 55caa28d6f592c9cf7f196303b2a3fb5...
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.