OpenTechnical

OT-2026-000043836

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump fed, pulsed blow-off after 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-2026-000043836) never changes.

Identity and time

Publication numberOT-2026-000043836 · never reused
Internal UUID01a0ae7b-d677-7da1-92b9-05c055ff0c33 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043836
StatusPUBLIC

Content hashes

Canonical textf52d48f9da7f6a8e9facd566e79690184729690b0e92ab4396e269730bf7814b
Markdown50f664b8bcedfe7885a906176838c287833f2429a2b5318d24f049ee489610f7
PDF
Publication page1901ccfb7b65860211fd287268dc905ea7faf22a444b43fcbf90820275c6ffc8
Manifest0892af1097342fbebb87db732bd7a076f634b96df190f57100007544efec375b

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
Signature6OhO+2oWjjluFZQmF+e43WsahZRkpo9EqIvQWfC/hlnNOvtlhbU15eC4pxUkOt2+Oiw2aWML8GoUNChiRjcECQ==
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

2026-09-17T11:12:09.028206ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043836
observed 1901ccfb7b65860211fd287268dc905e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:09.006354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043836/manifest.json
observed 0892af1097342fbebb87db732bd7a076...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:08.987160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043836/publication.md
observed 50f664b8bcedfe7885a906176838c287...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:08.969474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043836/publication.txt
observed f52d48f9da7f6a8e9facd566e7969018...
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.