OpenTechnical

OT-2026-000025188

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, three stage ejector, manifold 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-2026-000025188) never changes.

Identity and time

Publication numberOT-2026-000025188 · never reused
Internal UUID01a0ae71-5fa6-7d86-a72e-22cadcc85ca6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025188
StatusPUBLIC

Content hashes

Canonical text48dd52b573a0c4192e425fb5f2aecc8943f045b6799254fef859471cf64e17f3
Markdownf6ddd682525d1d0cd11e1353f8512313526edf43cc481473b485ffa7ff76ad5d
PDF
Publication page45bf019baf1644be79cd0957105a55ba1dc67da7322cf1c9dc82ad480ff433cf
Manifest22057adef69720ebd3ebadd5f49a1274db3b3a4b63d1b5caef8a0447040e1cfb

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
SignatureSgl4K/exCwhOM1BEAU8ruPa5Y6XEuuYCq1XEgS0jCh7iUOfX2G0huxQkoNyS6vvSZIOVpdbMLl0dTT7ekKIIDQ==
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

2026-09-17T11:47:10.443709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025188
observed 45bf019baf1644be79cd0957105a55ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:10.426590ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025188/manifest.json
observed 22057adef69720ebd3ebadd5f49a1274...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:10.375084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025188/publication.md
observed f6ddd682525d1d0cd11e1353f8512313...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:10.359196ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025188/publication.txt
observed 48dd52b573a0c4192e425fb5f2aecc89...
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.