OpenTechnical

OT-2026-000067767

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000067767) never changes.

Identity and time

Publication numberOT-2026-000067767 · never reused
Internal UUID01a0ae8f-c4fa-758c-b311-59b8ae557588 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067767
StatusPUBLIC

Content hashes

Canonical texte22f6ab0856d427744b427302ce35976d2c13ec00f5f4a0ea30b717f9451d7ab
Markdownb43fd210c15354180548da45754c6af6ed5e5dcb32ee591139bf78ad4c8a32f1
PDF
Publication page6cd10c85e3b8de307a1c7853986633af59e15281b449c3f8e7d583896123e5df
Manifestd3b27e809421639407ade8d56925f89b0499dce9524bcece550957d736f0add0

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
Signature3u+Posw4Ogyqe0X1qNz+nmsf//+o2Wf/ExRUiARcY9PlKsMcveJtns/z9ou1vH0SsgSnl/IitHuaIQPAyitKAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:29:59.789509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067767
observed 6cd10c85e3b8de307a1c7853986633af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:59.773438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067767/manifest.json
observed d3b27e809421639407ade8d56925f89b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:59.754460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067767/publication.md
observed b43fd210c15354180548da45754c6af6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:59.736743ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067767/publication.txt
observed e22f6ab0856d427744b427302ce35976...
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.