OpenTechnical

OT-2026-000031697

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, 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-2026-000031697) never changes.

Identity and time

Publication numberOT-2026-000031697 · never reused
Internal UUID01a0ae74-bad0-79d6-b24e-89851980d0c5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:20.739935Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031697
StatusPUBLIC

Content hashes

Canonical textbccc8a8ecc92e944d21baced72d70fc3af48ab6469eddb2c798332ceaf7fd98d
Markdowned3290ad0002134492f18c64d70a49001a66e40d234b72ced95d7b85874db8da
PDF
Publication pagecd0893455e6112cf8b0d136e21aea3883c2deb4267603dd2397e7b3d3b104192
Manifeste950adca378cf2d05b2d780865fe3efe67f7636dbfabacd480321f777bb57587

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
SignatureVWOvhCmI/dcwbDNVyTvWBJaqvoGq5CPdnnx6uTD595+zqpTtjePeewR0v2BZSLKPSt/D3gCxrDoF3w43iMgFBw==
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

2026-09-17T11:34:48.195173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031697
observed cd0893455e6112cf8b0d136e21aea388...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:48.178077ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031697/manifest.json
observed e950adca378cf2d05b2d780865fe3efe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:48.159298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031697/publication.md
observed ed3290ad0002134492f18c64d70a4900...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:48.140863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031697/publication.txt
observed bccc8a8ecc92e944d21baced72d70fc3...
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.