OpenTechnical

OT-2026-000020628

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000020628) never changes.

Identity and time

Publication numberOT-2026-000020628 · never reused
Internal UUID01a0ae6f-65e1-7f38-863f-0f61cd5de0d7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:31.316024Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020628
StatusPUBLIC

Content hashes

Canonical text9a1ebe5a772afce2a275a1496f6c6960413ada09e1c8266c058c2df0b922a263
Markdown4ffba6f23db04c703edc2d7fe0eccacfc0c0c13746dac7f743aa6e713f81307a
PDF
Publication page7baf2f895f0116f29a5d4c42687c8df859db7124b05bd28c63bf28ea60fc462c
Manifest955ba6aba709c6bddd5048042684025add31b5bc5e6a063aaf0d85afd7af625a

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
Signaturea4pWexxhlANW6497ddlFl7mpN5ImR9PUTVvSTeZtP3PvU/0GfvVEJpD8mgmTpEnOOY1E09kYGIhIqpfbCtlxAA==
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

2026-09-17T11:55:34.515487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020628
observed 7baf2f895f0116f29a5d4c42687c8df8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:34.497094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020628/manifest.json
observed 955ba6aba709c6bddd5048042684025a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:34.479093ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020628/publication.md
observed 4ffba6f23db04c703edc2d7fe0eccacf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:34.460956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020628/publication.txt
observed 9a1ebe5a772afce2a275a1496f6c6960...
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.