OpenTechnical

OT-2026-000047763

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, plant vacuum fed, pressure sensor per zone, 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-2026-000047763) never changes.

Identity and time

Publication numberOT-2026-000047763 · never reused
Internal UUID01a0ae7f-c420-74bb-9dc3-f06efa4531cb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047763
StatusPUBLIC

Content hashes

Canonical text856b81b91d10d024919eeaab604d27a3942bc4b133c983718c3f4bcc26aac1b9
Markdownb39badeb94ee3dc7cf7922a7bfd21392a3e41687efc9b321870390217d2aac3f
PDF
Publication page414ca00896851e7dd983672f781342b87d2318fd251ef243839fd0c2765f2c1f
Manifestf9edcab9ed6d6eb0065c833502f54391f7a0536b5400a0c10c7c31314114ea22

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
SignaturePtLhpNezjVR8N/T72TMzmJOJyRu7JJETZLvS7RBXvXIUkxvbVkmdTZiwcBdpdtL0/AaL89fXYLznm0GJmaidDw==
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

2026-09-17T11:05:39.122788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047763
observed 414ca00896851e7dd983672f781342b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:39.104275ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047763/manifest.json
observed f9edcab9ed6d6eb0065c833502f54391...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:39.082628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047763/publication.md
observed b39badeb94ee3dc7cf7922a7bfd21392...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:39.062949ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047763/publication.txt
observed 856b81b91d10d024919eeaab604d27a3...
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.