OpenTechnical

OT-2026-000078368

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, single stage ejector, vented 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-2026-000078368) never changes.

Identity and time

Publication numberOT-2026-000078368 · never reused
Internal UUID01a0ae95-7c28-71ad-af0d-c8bbf1127eb8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078368
StatusPUBLIC

Content hashes

Canonical textf4b78bcd9e434cb1c5cc74447b2d4f6256124806a96fcf67af821eb77bad4bca
Markdown1d7444a7fa3a531e716c5654016d6fca7ad7072737442c3d25cfea805ef45513
PDF
Publication page6de7591ac59ba35a2125dead8d5c105516061e632551255f5d172bf2d73d1503
Manifest2057c78aacfa4565dcf6c22be83a64e5686e5e812db41cf950b716dcc831f9a4

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
SignaturetcOUibZDo+NrcT8K3zd2Zi2FhsC+wN7sWn4VAD8KPP47SJkol3mtKm86k8MYtwoVi0s1Q0ZCo6TzuiIM772BBg==
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

2026-09-17T10:06:20.365636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078368
observed 6de7591ac59ba35a2125dead8d5c1055...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:20.345843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078368/manifest.json
observed 2057c78aacfa4565dcf6c22be83a64e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:20.327788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078368/publication.md
observed 1d7444a7fa3a531e716c5654016d6fca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:20.308941ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078368/publication.txt
observed f4b78bcd9e434cb1c5cc74447b2d4f62...
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.