OpenTechnical

OT-2026-000044102

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, sustained blow-off 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-2026-000044102) never changes.

Identity and time

Publication numberOT-2026-000044102 · never reused
Internal UUID01a0ae7b-d67a-78be-bdad-e44f7416574b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044102
StatusPUBLIC

Content hashes

Canonical texta8d62d85e9fcbb85630a99cd902ccbe6f28c4a5f1ac9adf50a282ef72a53603a
Markdowna509893c1c23c4ea40ed29c48537595c39a43f7d598f99f27f964f04ac4921cf
PDF
Publication page76b6600a7c2c981457e7dd28f58601cfe1dfa173fac2e9051e83304c7c53270c
Manifest31c61aecaea222c1413b7df73db537f8bd9a3647f61303ab114c64486c84014f

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
Signature5u7S1yu7qXg5TAVnGcTXftyU9Y89sDVKLeKpLvNZwErdu/V8rOhYkYnANQpx8IXnAgPKZ+qIy7Y4l4AXUqpJDg==
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

2026-09-17T11:12:30.709522ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044102
observed 76b6600a7c2c981457e7dd28f58601cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:30.691093ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044102/manifest.json
observed 31c61aecaea222c1413b7df73db537f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:30.674484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044102/publication.md
observed a509893c1c23c4ea40ed29c48537595c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:30.655042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044102/publication.txt
observed a8d62d85e9fcbb85630a99cd902ccbe6...
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.