OpenTechnical

OT-2026-000054066

Publication integrity record

Foam pad vacuum gripper, plant vacuum fed, supply line pressure sensor, vented 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-2026-000054066) never changes.

Identity and time

Publication numberOT-2026-000054066 · never reused
Internal UUID01a0ae85-b3a7-7051-af65-e31b7a5d558f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054066
StatusPUBLIC

Content hashes

Canonical textcaf6d33809f6dd077a028a13e7ea830e188d53bb9af54c250b39f1645446879b
Markdowna0a409992447c56f182cdd31683be7db377f4d27a8539219bd2896993768e660
PDF
Publication page54b72a12c59f16d3d9b272bd594c02927af3c68b9587fa9427e08deeb72840d3
Manifest64d2a43c23dd4152995ece3d91be6e28b95064b304f7a3decae760fb4ed0e71f

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
SignatureooXqV2lI+W/YeVNDF4Ts4ljaFX+ooqQBmfM6JeEYH/oxjnkato4GDvPaKCcMzuXn701ulnvIQXbYESZqFGp1AQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:54:26.613935ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054066
observed 54b72a12c59f16d3d9b272bd594c0292...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:26.596813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054066/manifest.json
observed 64d2a43c23dd4152995ece3d91be6e28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:26.577476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054066/publication.md
observed a0a409992447c56f182cdd31683be7db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:26.557259ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054066/publication.txt
observed caf6d33809f6dd077a028a13e7ea830e...
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.