OpenTechnical

OT-2026-000023191

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, pump fed, 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-2026-000023191) never changes.

Identity and time

Publication numberOT-2026-000023191 · never reused
Internal UUID01a0ae70-7267-75ac-b5dc-35af1e471f6d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023191
StatusPUBLIC

Content hashes

Canonical textc013564bef1bbc82899ee83f51fc153afe479a3acd432465dd1e3216f70fe255
Markdown5494b2d71417534043f8bc18d7aa6b78f5930e1869aae83f9ec2fcadc50d6e9a
PDF
Publication page43f3d21e65d82253a63880527d12f2c8c8b7adbdb2e6ee9723b78ac88536475f
Manifest695e5091ebe6b2a266cd029b400f1febe3b33cc6fd0c29950bf21536be0ad9fa

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
Signature7leivuTn2+ap92wZRqeliFgrd+apQ1L4TlfGZWpEPdIdz94rNVBY5w2u3013ELodyVk781nCwHk7ehb6kMgwCA==
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

2026-09-17T11:51:08.554817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023191
observed 43f3d21e65d82253a63880527d12f2c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:08.534162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023191/manifest.json
observed 695e5091ebe6b2a266cd029b400f1feb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:08.499432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023191/publication.md
observed 5494b2d71417534043f8bc18d7aa6b78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:08.474357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023191/publication.txt
observed c013564bef1bbc82899ee83f51fc153a...
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.