OpenTechnical

OT-2026-000030426

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, plant vacuum fed, manifold pressure sensor, sustained 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-2026-000030426) never changes.

Identity and time

Publication numberOT-2026-000030426 · never reused
Internal UUID01a0ae73-e503-7a0e-a181-0a2ea9d44d7d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030426
StatusPUBLIC

Content hashes

Canonical texta9629941315e397ead6c0846637d104e4f75a55fb878fab8fedebd6e9fda2a94
Markdowne10d0d253e83fe336ae69104019dfcce5a083ceff8acfc50675032a3fe0e0d75
PDF
Publication page3f64365a44eaa4e8f45b8a70e033b95c08d603a36094805b4d106ff46c16d28d
Manifest75cb4498af1bc5768413a5bd9423bbaa832f5f679b235148ab3e0841c097f07d

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
SignatureTC4G1p9rVoUd/Pn0gYwogWUEe7bQUyKY9CZWmX7/kITUYeBi3OpfCXfS3AJey1aT5Mzt0748W/NlMlYDvl8wDQ==
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

2026-09-17T11:38:09.747283ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030426
observed 3f64365a44eaa4e8f45b8a70e033b95c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:09.726928ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030426/manifest.json
observed 75cb4498af1bc5768413a5bd9423bbaa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:09.707716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030426/publication.md
observed e10d0d253e83fe336ae69104019dfcce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:09.689837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030426/publication.txt
observed a9629941315e397ead6c0846637d104e...
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.