OpenTechnical

OT-2026-000048658

Publication integrity record

Foam pad vacuum gripper, common isolation valve, two stage ejector, supply line pressure sensor, sustained blow-off after set-down, on a tool changer

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-2026-000048658) never changes.

Identity and time

Publication numberOT-2026-000048658 · never reused
Internal UUID01a0ae80-c32b-7c90-9d5f-cd335b21c536 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:29.321882Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048658
StatusPUBLIC

Content hashes

Canonical text7bf4a0594749f3db89ccbae459e347b7c19778dfdceaadd36586ea0cc2262e5d
Markdown860a6a2121f27ecc969bdb52ea2ad28df97320b2d8b4d697606b98d4de16e803
PDF
Publication page615d987fff20d69c8ba0212dabbf40df0bb98ff927a6db246bce2ae75ec7450f
Manifesta9acdb1613d54f0704ced6abf3bd6ad976c12ff9a2a3afd07174af10494d4157

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
SignatureMkeNFo9kRCQAuitaCr1rPqeeHI6um5ZFlY/kx4hp54HQOuzeqxjycorPjHUJBttYP832BzU7gQbL0G4XgKIyCQ==
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

2026-09-17T11:04:16.475861ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048658
observed 615d987fff20d69c8ba0212dabbf40df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:16.456391ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048658/manifest.json
observed a9acdb1613d54f0704ced6abf3bd6ad9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:16.437855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048658/publication.md
observed 860a6a2121f27ecc969bdb52ea2ad28d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:16.412816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048658/publication.txt
observed 7bf4a0594749f3db89ccbae459e347b7...
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.