OpenTechnical

OT-2026-000099808

Publication integrity record

Foam pad vacuum gripper, three zone face, plant vacuum fed, pressure sensor per zone, 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-2026-000099808) never changes.

Identity and time

Publication numberOT-2026-000099808 · never reused
Internal UUID01a0aea2-c978-7a5c-b06f-f98cbb7545c8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099808
StatusPUBLIC

Content hashes

Canonical textafbb516f7ad432b77ddab363862b023d5d8383b0fbe9b1142a614d31d5fa01e3
Markdown92b2377c9efa06cde78f7c6642e0a472a89e0f265249a70c6c7b161871559f2a
PDF
Publication pagee8088d140408b522df5d2ea8125b27e817ba555162889bfcb913e85a2b0e0431
Manifest2fd7dd5eeae88813ca550fd00a651bcf0320c0b5b79708ae4e87da26f36b9e71

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
SignaturePybjJ5+hOYW5PSLAPDb93scBRTYWTFluYYqwhiF3LV4GHZyzpZ+omBXGXXRP34ljwlZWcgcAcaDE4BLlcgNlAQ==
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

2026-09-17T09:29:50.816175ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099808
observed e8088d140408b522df5d2ea8125b27e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:50.799614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099808/manifest.json
observed 2fd7dd5eeae88813ca550fd00a651bcf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:50.783422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099808/publication.md
observed 92b2377c9efa06cde78f7c6642e0a472...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:50.767434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099808/publication.txt
observed afbb516f7ad432b77ddab363862b023d...
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.