OpenTechnical

OT-2026-000098978

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, manifold 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-2026-000098978) never changes.

Identity and time

Publication numberOT-2026-000098978 · never reused
Internal UUID01a0aea2-8286-7d17-9e8f-606272af759f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:20.980080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098978
StatusPUBLIC

Content hashes

Canonical textbd54f5a12a5dbc220f4bdc1909355de17d593cac203f79d37747a1b0b4bbf4a6
Markdown99d0fd3d9be52729d1d47e449dffb8e3fa5b49a5e00f4af7343e35b5fd864499
PDF
Publication page2b5009ed0e3858f8d4d96a09ccc81a2fa7c0e3ca9848f18b3491764bf16cba81
Manifest4b92eea81b0f3966ef38fe94fd4bc01c90aa077e45062568e1447ac8ade52e47

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
SignatureI1DInK43fLH49X9Cem9BstZae9P5eavIpOkLt9aVo+6qy15Qd2dugcGX68OB5/4fM+U3pQ/ydr8GBqNoaDZkCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:30:03.509930ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098978
observed 2b5009ed0e3858f8d4d96a09ccc81a2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:03.494209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098978/manifest.json
observed 4b92eea81b0f3966ef38fe94fd4bc01c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:03.478636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098978/publication.md
observed 99d0fd3d9be52729d1d47e449dffb8e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:03.461428ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098978/publication.txt
observed bd54f5a12a5dbc220f4bdc1909355de1...
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.