OpenTechnical

OT-2026-000049051

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000049051) never changes.

Identity and time

Publication numberOT-2026-000049051 · never reused
Internal UUID01a0ae81-134d-71fa-be37-03d8c32c2875 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049051
StatusPUBLIC

Content hashes

Canonical text48fc4c6610bb1f2563f182a2644ebf3a81f0edfac4a889ecd54aa8d553ca5dea
Markdowna03ad4174666294fdc7fdeeece3f679cbe3cc5d0a49e5920abf8f9c4ff4c897a
PDF
Publication pageae146b4fb3cf07705ae5b8c6d55dd3ad3c3b91a999619a377c23565f983a7f01
Manifest7eb6cba72e7ea6bf055efa0c2d5d5df798f3780c6133235bc2d6b32ae74747e5

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
SignaturekwC6L6S2mhYTuBfrZz8Gw3Eo7d/NS4LDqbxRacVM0eE6BdetUhGdT02He8pCrDYaH8p94p4on+U486917FytAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:03:16.862114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049051
observed ae146b4fb3cf07705ae5b8c6d55dd3ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:16.843459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049051/manifest.json
observed 7eb6cba72e7ea6bf055efa0c2d5d5df7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:16.824408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049051/publication.md
observed a03ad4174666294fdc7fdeeece3f679c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:16.806497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049051/publication.txt
observed 48fc4c6610bb1f2563f182a2644ebf3a...
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.