OpenTechnical

OT-2026-000049332

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold pressure sensor, pulsed blow-off after 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-2026-000049332) never changes.

Identity and time

Publication numberOT-2026-000049332 · never reused
Internal UUID01a0ae81-1350-7f51-82b4-8edef3b8caa1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049332
StatusPUBLIC

Content hashes

Canonical textf1fcec519cbe9e3b44340c30462cf555a3a21beba004a92e0eb45f855d8af2cb
Markdown3a16c62ac74c29f2f47a44de35d8b0a1e86162a2e19bcab8f7e68251f3c58ac5
PDF
Publication page58837029af4701ecbb229b697dbde36f7e7f061418d67c35cdac7343f3397b41
Manifeste48798c9a6ddd498d13f0a35de5929d73798f7fb5e76de0422482cb580a1a328

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
SignaturedTWuGL92fRfLNqrpBArmca06O9GtYUwWwBfXoOvHuP3uhKbi20Os71mgWUysgyzzXEeQcJoY8R58P290kV6+DA==
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

2026-09-17T11:04:12.604386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049332
observed 58837029af4701ecbb229b697dbde36f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:12.582571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049332/manifest.json
observed e48798c9a6ddd498d13f0a35de5929d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:12.564996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049332/publication.md
observed 3a16c62ac74c29f2f47a44de35d8b0a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:12.548258ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049332/publication.txt
observed f1fcec519cbe9e3b44340c30462cf555...
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.