OpenTechnical

OT-2026-000039060

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, supply line pressure sensor, sustained blow-off before 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-2026-000039060) never changes.

Identity and time

Publication numberOT-2026-000039060 · never reused
Internal UUID01a0ae78-9672-75bc-b8b7-668cfe231525 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:33.573712Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039060
StatusPUBLIC

Content hashes

Canonical textfc7c23bfebbc17747c1d83573922d9b72ee95244b83e835ac0901e98f3add921
Markdowncfcb3a8e7b8bd49158a302296a45db6675a228849463a62711f3ddf4af3d1cea
PDF
Publication pagefd4d7e76a811066eca55fa59af9682f8e7ba26f7e3459640a36414250ec14092
Manifest434f11389a50d38c306fd28d2788d3eb83c84c94d2edc74fc336075eff9c0e97

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
Signature6/KoiQgs1njYgBE1NmB7tWLElecPImY9YZoCvqnNDhbKIKuE9dBOmtZTaYxOqAhzQ7vFflg3IOiB7jTM4oTWAQ==
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

2026-09-17T11:20:31.856150ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039060
observed fd4d7e76a811066eca55fa59af9682f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:31.836007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039060/manifest.json
observed 434f11389a50d38c306fd28d2788d3eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:31.814830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039060/publication.md
observed cfcb3a8e7b8bd49158a302296a45db66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:31.795467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039060/publication.txt
observed fc7c23bfebbc17747c1d83573922d9b7...
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.