OpenTechnical

OT-2026-000007988

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, pump fed, pulsed 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-2026-000007988) never changes.

Identity and time

Publication numberOT-2026-000007988 · never reused
Internal UUID01a0ae6a-908b-73fb-ab4a-3c55f99300b0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007988
StatusPUBLIC

Content hashes

Canonical text643c0c4c78200c44228e20f576c8e6132296f29009f7eaf43aecd9372b99d471
Markdown11dc1729bd8a6ff71096a99fad8017742ff45dcbd2d9f9064ce0e0be0e98d208
PDF
Publication pagec9a2fe5253dcf22077207c678d546ab15e35b8acbfd27e5f38957cafaf29ee54
Manifest5f7eaf78f52b5c3e535f092c76e7b40099babe9bf16ed5c8a6408f1f18f95feb

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
Signature2YkvIEvMueZ3O0gl90F4pL2oK9OkVNjM1vzSrMOLacujh8Sr6U8o3ZS1q3Kwc7XMesIUoA46hsKV1YyrG7teAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:20:31.960926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007988
observed c9a2fe5253dcf22077207c678d546ab1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:31.943962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007988/manifest.json
observed 5f7eaf78f52b5c3e535f092c76e7b400...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:31.927394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007988/publication.md
observed 11dc1729bd8a6ff71096a99fad801774...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:31.909906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007988/publication.txt
observed 643c0c4c78200c44228e20f576c8e613...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:08.019609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007988
observed c9a2fe5253dcf22077207c678d546ab1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:08.001231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007988/manifest.json
observed 5f7eaf78f52b5c3e535f092c76e7b400...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:07.984539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007988/publication.md
observed 11dc1729bd8a6ff71096a99fad801774...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:07.967427ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007988/publication.txt
observed 643c0c4c78200c44228e20f576c8e613...
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.