OpenTechnical

OT-2026-000071127

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000071127) never changes.

Identity and time

Publication numberOT-2026-000071127 · never reused
Internal UUID01a0ae91-e0eb-7d46-9363-3f24b39f1424 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071127
StatusPUBLIC

Content hashes

Canonical text6b7d21e7e49b3113fc316595d0a1c3ee439bf87f2322f719f3971766c56ed6a6
Markdown7a9ac31ea601f8d71fdb1cb92bec8d7846fdf450960bbd4ed9e0d320e5c491eb
PDF
Publication page512f75640d85b48a94d08707bd7ac6a03e438983127c4134d7f927e666f30c78
Manifestca399c68c088ac98dd12c4a2d20bf27fdf72a36c3b07eb396e8934523a777911

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
SignatureG1XIVxVqpi1iD2NA1x3onxpkqCFIyv//hKx7Yipsn+S13yujjCGnfFwMUswY80SWCfeo3CIbLKThvsCp+tGdCg==
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

2026-09-17T10:24:37.408822ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071127
observed 512f75640d85b48a94d08707bd7ac6a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:37.390385ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071127/manifest.json
observed ca399c68c088ac98dd12c4a2d20bf27f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:37.372762ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071127/publication.md
observed 7a9ac31ea601f8d71fdb1cb92bec8d78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:37.355619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071127/publication.txt
observed 6b7d21e7e49b3113fc316595d0a1c3ee...
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.