OpenTechnical

OT-2026-000022140

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two stage ejector, manifold 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-2026-000022140) never changes.

Identity and time

Publication numberOT-2026-000022140 · never reused
Internal UUID01a0ae6f-f4fb-773b-a713-64ab593e78d7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022140
StatusPUBLIC

Content hashes

Canonical text38ba650f1fbdb561da1e68f42fc3c0bcd491afab150c6a962d14323673d2b616
Markdownc19bd1b49bc77523c0a626a01f1e6e482aa8aa7b98d976f625eb0367c7de692b
PDF
Publication pagefc60ea17a3872d58d5f777d836ac71b7e8185ff2341678624b59664d27aa5bb7
Manifest4c3512612e69e0e59466dcc53769d1f780476bb12cd6496c6bba08dfdd8f7ed9

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
Signature4FXgxA4YKXzZTlTKzOrXlgOG84v+/Y0KvdcW3RLwqhTg1YA2+jycOi6SjfkyNRDEvYSWv66eJZ3W1GslLJ83Dg==
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

2026-09-17T11:52:48.907817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022140
observed fc60ea17a3872d58d5f777d836ac71b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:48.890594ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022140/manifest.json
observed 4c3512612e69e0e59466dcc53769d1f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:48.873305ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022140/publication.md
observed c19bd1b49bc77523c0a626a01f1e6e48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:48.853571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022140/publication.txt
observed 38ba650f1fbdb561da1e68f42fc3c0bc...
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.