OpenTechnical

OT-2026-000048685

Publication integrity record

Six cup vacuum gripper, six outlet manifold, three stage ejector, supply line pressure sensor, sustained blow-off 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-2026-000048685) never changes.

Identity and time

Publication numberOT-2026-000048685 · never reused
Internal UUID01a0ae80-c32b-7e4d-a634-63daa37454e3 · 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-2026-000048685
StatusPUBLIC

Content hashes

Canonical text648a927fc61444b7bcedb63855265737c3198bc22d82a70dd40347e5fe4c3308
Markdownd6ef428584944f51fc8b0d54a38807d15f3a879e25126cb80b9af44266ed56e1
PDF
Publication page80de8669ef6d78036923784b1abf4ecb0018c21e5d308e8daf909871df682d34
Manifest3245a8ee2a3a65602a8569e6b3dce66eb09e5a97f3530993365539dfdd3f72b3

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
SignaturezUvRB1X5LHH4p3uH6+aEI/doVmmrK6KXR8VOwlY6W0HUi3LN1bcntQmrHImeGFg97fPDo/RhxhP6cvc6F2glCg==
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

2026-09-17T11:04:18.786471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048685
observed 80de8669ef6d78036923784b1abf4ecb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:18.766706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048685/manifest.json
observed 3245a8ee2a3a65602a8569e6b3dce66e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:18.747683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048685/publication.md
observed d6ef428584944f51fc8b0d54a38807d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:18.729463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048685/publication.txt
observed 648a927fc61444b7bcedb63855265737...
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.