OpenTechnical

OT-2026-000049175

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, single stage ejector, 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-2026-000049175) never changes.

Identity and time

Publication numberOT-2026-000049175 · never reused
Internal UUID01a0ae81-134e-7be9-928f-8ea3fa88f5cb · 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-2026-000049175
StatusPUBLIC

Content hashes

Canonical text6ff8c213d3916e4c612a543949b878cdb12221cf01f865cdc9fb58fdc489e60f
Markdownc1ae4e9c3df60ddbb861bbb9d8ec1e96be2d49999c0231e28a61b243cbbdd29b
PDF
Publication page35a2edd25d49be1459b541c75ab52efc6de600407087514bd35b3f1272c27f36
Manifest2949accf2838ae5a836fb0566e87bbad57ddee51559b158b57b61d5305811d09

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
Signatureil34XPyw4KvLiktWi5kXoLMBmsHfiRoZfb07XZ+RsNEaofMkPcHYf3K9GxOn/LNkG+iuSaUBH4uOECA6VWG5AA==
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

2026-09-17T11:03:58.615463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049175
observed 35a2edd25d49be1459b541c75ab52efc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:58.597684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049175/manifest.json
observed 2949accf2838ae5a836fb0566e87bbad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:58.579503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049175/publication.md
observed c1ae4e9c3df60ddbb861bbb9d8ec1e96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:58.559289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049175/publication.txt
observed 6ff8c213d3916e4c612a543949b878cd...
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.