OpenTechnical

OT-2026-000082528

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, manifold 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-2026-000082528) never changes.

Identity and time

Publication numberOT-2026-000082528 · never reused
Internal UUID01a0ae97-8cc7-7e49-98c0-b0fc72abdb93 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:22.827170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082528
StatusPUBLIC

Content hashes

Canonical textecb3d8229c9aecb846d0106d0c5bbfdfd5c7f63b1edad7a5064af6e2fc772274
Markdown4f93fa698919f1d85b922ce471365bdb24444f3ced2f9930be5a8a82f01e9249
PDF
Publication page5c45222b58c9551aca6276e8e79e2ef27117fb3c14395255a0c3d005835ad2af
Manifesta292220d30520aab6af694549b14129249b7c446dbda1f7ec671db89985bb55d

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
Signatureh1l+Yk119wzy969a1HQD7Uy8y8jn4UM8r18aNsFwpuo1oTTmUQnEfVP/rzVDxZvbNVXz/Xns7eJQsmKex9mTCw==
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

2026-09-17T09:57:57.747621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082528
observed 5c45222b58c9551aca6276e8e79e2ef2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:57.731807ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082528/manifest.json
observed a292220d30520aab6af694549b141292...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:57.716991ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082528/publication.md
observed 4f93fa698919f1d85b922ce471365bdb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:57.700482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082528/publication.txt
observed ecb3d8229c9aecb846d0106d0c5bbfdf...
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.