OpenTechnical

OT-2026-000029256

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, sustained 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-2026-000029256) never changes.

Identity and time

Publication numberOT-2026-000029256 · never reused
Internal UUID01a0ae73-2aa1-7430-91b7-f3fe32aa3356 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:38.288761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029256
StatusPUBLIC

Content hashes

Canonical texted686ffaabc64d53eead36a718958a00d8bcb5f22c1775091cffc7ec6327e8ea
Markdownc8658ba2aa95ebb25126469b563cd77fb19f7c930065aeda5c45deecb1627418
PDF
Publication page8a56f4a9d7f981c7b42dec610d161eeda03121cd00f0021e56cbea0239c6c98a
Manifest9936a75f766fb394ca7b152fbb573d715773c4ab602e3d33314d79b65e389498

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
SignaturerrnfuI7QKPQjPZEQl4sfG9um9RzEmkPXz/kXte8fDVKL9Li3W+15OkkixAhcxMNya7S3DMBGi7zAwjxdPBI9Cg==
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

2026-09-17T11:39:53.155685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029256
observed 8a56f4a9d7f981c7b42dec610d161eed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:53.137014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029256/manifest.json
observed 9936a75f766fb394ca7b152fbb573d71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:53.120239ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029256/publication.md
observed c8658ba2aa95ebb25126469b563cd77f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:53.098271ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029256/publication.txt
observed ed686ffaabc64d53eead36a718958a00...
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.