OpenTechnical

OT-2026-000044649

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000044649) never changes.

Identity and time

Publication numberOT-2026-000044649 · never reused
Internal UUID01a0ae7c-39da-785e-9530-45267bacd959 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044649
StatusPUBLIC

Content hashes

Canonical textc2491296bd4510fae96828eab695c6a233ea5292d77e21fdd56a9427798b8463
Markdown13cfdb74625b2801452c81801bc12fe25d39f030c324397790f3f3593e74ea51
PDF
Publication page3d09c1d5b2b0077249377552b4c2b1efcb7fd3241fae78e7d40735ad57272d2c
Manifest6d05cca67164e1ced6e7fd510cb227c004f5c40df1b5105f3fea114604114b7c

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
SignatureJOIWUc1RQd4Aj2l07dG7OzLmQw2WfXzvO7kYNqp8kSr1MDViKGSXiTPk/rGJDcbgc33yhobbLG3YCJEdTIA+Bg==
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

2026-09-17T11:11:53.654878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044649
observed 3d09c1d5b2b0077249377552b4c2b1ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:53.637671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044649/manifest.json
observed 6d05cca67164e1ced6e7fd510cb227c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:53.617419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044649/publication.md
observed 13cfdb74625b2801452c81801bc12fe2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:53.599053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044649/publication.txt
observed c2491296bd4510fae96828eab695c6a2...
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.