OpenTechnical

OT-2026-000017377

Publication integrity record

Single cup vacuum gripper, common isolation valve, plant vacuum fed, supply line 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-2026-000017377) never changes.

Identity and time

Publication numberOT-2026-000017377 · never reused
Internal UUID01a0ae6e-76c9-7d8e-a0b3-fcac0ea5d4b2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017377
StatusPUBLIC

Content hashes

Canonical textb841a7034654508891110eb10293f2e4f52f418a3ee5656f77c75b4ec9975f98
Markdown1db1ad80524b1174e20a36d6afcebedcbed85956608d64ce309f402dd104b133
PDF
Publication page4ff1e4f4caf984f455e176b7d5c5124d78c1b6945ab1b57f48b5ad3379fffa05
Manifest637b6f1533ed92b4a14fe3770df7426d2928c50c6ffaa95fd97f2e37b60bb7cb

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
SignatureGhUJe42HFS6YXw2c9Tm+pCmOxXt1x00/8WIQIsvt5hzZOGJ8puHAK+QPkWtoru5+mFjFj24ZqgXk28jS0PfcBA==
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

2026-09-17T12:02:29.855747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017377
observed 4ff1e4f4caf984f455e176b7d5c5124d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:29.838071ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017377/manifest.json
observed 637b6f1533ed92b4a14fe3770df7426d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:29.820890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017377/publication.md
observed 1db1ad80524b1174e20a36d6afcebedc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:29.803462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017377/publication.txt
observed b841a7034654508891110eb10293f2e4...
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.