OpenTechnical

OT-2026-000050193

Publication integrity record

Single cup vacuum gripper, common isolation valve, single stage ejector, vented before set-down

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-2026-000050193) never changes.

Identity and time

Publication numberOT-2026-000050193 · never reused
Internal UUID01a0ae82-5c45-724a-ad10-fb39a316b9c3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050193
StatusPUBLIC

Content hashes

Canonical text83b5818aa5cc671d17c39d5ceea4e9f5839b554be0dea1a05a2c24a752d82bc8
Markdown12f45f988713ffa8458e9e18fc09a2148e939540ab7584ffae56a38b798fc961
PDF
Publication page1e26f40e798ebc530a2b8b9a514a4f4c3e6283ced4c7cd18f279d6c0784967bc
Manifest7311a7bf56ef49b6a3b5183258f8787f67b3b5335ed1a10dc329e45d46e4d523

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
Signaturezui63rVjol7NoGdBAlsLUUtIgqV2gQllhv5GdLSHJBOljs652+FGXb+NnjVS5dQzD5PHyYW/Ne9Qxdo6006yAw==
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

2026-09-17T11:01:10.760385ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050193
observed 1e26f40e798ebc530a2b8b9a514a4f4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:10.741608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050193/manifest.json
observed 7311a7bf56ef49b6a3b5183258f8787f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:10.724094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050193/publication.md
observed 12f45f988713ffa8458e9e18fc09a214...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:10.707832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050193/publication.txt
observed 83b5818aa5cc671d17c39d5ceea4e9f5...
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.