OpenTechnical

OT-2026-000031139

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, pulsed blow-off 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-2026-000031139) never changes.

Identity and time

Publication numberOT-2026-000031139 · never reused
Internal UUID01a0ae74-87ab-7762-9e8b-26ff51684882 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031139
StatusPUBLIC

Content hashes

Canonical textad2f7216ea0e5db10a9fc0cc7691a93378fca7990224534646a73406d75791c6
Markdown647c28ce5fa3f81ee10b6790fe59730122050110da2569c4fc28efbec55705b2
PDF
Publication pageb1f2e3b82fa622ac590ca9fc4b4ee95342284b0524f21f15f748b820c1e60349
Manifeste7bfc626244544abcb4757db2819c315c6d967e0c3f0278ae7e6cd3ceb6f97ce

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
SignatureAaHfqXnticPrzDm9TWJDJwZkGG474lhBGLmJpRx6leJy/1oPIkhdTuQLiJysPzkH0R/xWJInR1qyy1KbBsjoBA==
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

2026-09-17T11:35:34.892117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031139
observed b1f2e3b82fa622ac590ca9fc4b4ee953...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:34.876705ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031139/manifest.json
observed e7bfc626244544abcb4757db2819c315...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:34.858816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031139/publication.md
observed 647c28ce5fa3f81ee10b6790fe597301...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:34.840950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031139/publication.txt
observed ad2f7216ea0e5db10a9fc0cc7691a933...
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.