OpenTechnical

OT-2026-000015922

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed blow-off 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-2026-000015922) never changes.

Identity and time

Publication numberOT-2026-000015922 · never reused
Internal UUID01a0ae6e-0c4d-73c8-b1e8-487716cdbb54 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015922
StatusPUBLIC

Content hashes

Canonical text5321eb3f2877b5e5de8e55d6774c1b4a3dfd60f862c3488f970d71e3a6dc80ab
Markdowne2713554e37491640414a91aae8e4911b42def8b027d7043d47695acb2471fc6
PDF
Publication page140e8c35ca7ba2fde02d740cff58e5253aa1917148d4540db1a3df47be5a78c4
Manifest754b8e86898b7356ef2620adb40d8db1f5aec35ba9bd5bb413896c49a2611dde

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
Signatureop3Y7I8r4ptvr4T1d9bRbx0v2BZiqfZ4TgNnrMnbDTHt+92WWd9J2RPKn5wrRYw/uYLstSxQqjO7hgk4uxt4Aw==
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

2026-09-17T12:05:23.381391ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015922
observed 140e8c35ca7ba2fde02d740cff58e525...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:23.361572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015922/manifest.json
observed 754b8e86898b7356ef2620adb40d8db1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:23.327220ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015922/publication.md
observed e2713554e37491640414a91aae8e4911...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:23.292098ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015922/publication.txt
observed 5321eb3f2877b5e5de8e55d6774c1b4a...
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.