OpenTechnical

OT-2026-000067586

Publication integrity record

Foam pad vacuum gripper, common isolation valve, pump fed, supply line pressure sensor, vented 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-2026-000067586) never changes.

Identity and time

Publication numberOT-2026-000067586 · never reused
Internal UUID01a0ae8f-6bda-7ffd-a339-dc7ce03f2aa5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067586
StatusPUBLIC

Content hashes

Canonical texta8453708428655255d79696498a1e4b295300119d64e7136a116faf64ec8faab
Markdownf76ec82fba3cf8bc1ca3d0627f19d7a9883cb8be306e8aed3015b2bf91c664a4
PDF
Publication page87597f640010e4f145b1e96cdaf590b5e6025f2ed355c899766695f2507de406
Manifeste1b43bc3c47719690225aa9111db430f6c0b700d131f34cbc020133c323554d9

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
Signatureo7xEEdg3EVZhhyLriKvbtJ2Wrv1OD9Qh+6Ga9TS+mUVc1vuuv6eqoPi47TQQ0DDR+uWfpsIoIu74Y6SWFZZ2CA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:31:54.048433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067586
observed 87597f640010e4f145b1e96cdaf590b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:54.030472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067586/manifest.json
observed e1b43bc3c47719690225aa9111db430f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:54.011851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067586/publication.md
observed f76ec82fba3cf8bc1ca3d0627f19d7a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:53.994956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067586/publication.txt
observed a8453708428655255d79696498a1e4b2...
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.