OpenTechnical

OT-2026-000076153

Publication integrity record

Four cup vacuum gripper, four zone face, pump 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-2026-000076153) never changes.

Identity and time

Publication numberOT-2026-000076153 · never reused
Internal UUID01a0ae94-6a6f-7868-a2f7-46bec822543f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076153
StatusPUBLIC

Content hashes

Canonical texte3601132a83e157b3943eb03d2582d84c9367337482b6aff4af8e8c2cce07210
Markdowne097740dcbee629b4478f16c4a59405a1c02397e8a952a42c30ca8f352981ee9
PDF
Publication page6f3a207f2aa36c824b4cc59e2b68f4a389deff14fa4c8c5c7efb439958bebd0f
Manifest961084038b590fa9bc85c20ab4056b379bbd7e1515948d23b7e035e5fd439ede

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
Signature7rOQhOmmFnel7S3nPraU3Ws+7811UTC95vPbGc3FXKR3EQHscFgtMQ7l5pVcFXLJcvkskvOTGlWB0ZE1PNUoBw==
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

2026-09-17T10:11:13.193102ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076153
observed 6f3a207f2aa36c824b4cc59e2b68f4a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:12.797033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076153/manifest.json
observed 961084038b590fa9bc85c20ab4056b37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:12.777959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076153/publication.md
observed e097740dcbee629b4478f16c4a59405a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:12.758834ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076153/publication.txt
observed e3601132a83e157b3943eb03d2582d84...
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.