OpenTechnical

OT-2026-000034975

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, single stage ejector, 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-2026-000034975) never changes.

Identity and time

Publication numberOT-2026-000034975 · never reused
Internal UUID01a0ae76-6a1b-7418-b9eb-67666e8499c7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:11.150702Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034975
StatusPUBLIC

Content hashes

Canonical text9c385508ed2eceeab90e8f598db7a03f44695f24121baf41cea71505ca993d09
Markdownfaa3f56a4b76605cdf800fd8da2a92c2fe8b244214dc7c51f5716b06a690dd2e
PDF
Publication pageb6a9a0acf2e54cb59903de499850d962f889a43c342ede6d1799e67537df3cbd
Manifest7baeea076e9c3d19a7e641369c2a1541dc4c88c5dfdc00e8494457fef36c4cbf

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
Signaturetdta3BxO8+Hpewf4RLXX/it30hSg17gPAVUEFb3ZIvzKRHvPcJTK6WkKsUtHCvPpwXB06Hdnw1ZzVfIokWKAAw==
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

2026-09-17T11:27:54.350967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034975
observed b6a9a0acf2e54cb59903de499850d962...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:54.332943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034975/manifest.json
observed 7baeea076e9c3d19a7e641369c2a1541...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:54.315377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034975/publication.md
observed faa3f56a4b76605cdf800fd8da2a92c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:54.297026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034975/publication.txt
observed 9c385508ed2eceeab90e8f598db7a03f...
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.