OpenTechnical

OT-2026-000021082

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, pulsed 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-2026-000021082) never changes.

Identity and time

Publication numberOT-2026-000021082 · never reused
Internal UUID01a0ae6f-65e5-7d6d-8d44-c44ed586ad50 · 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-2026-000021082
StatusPUBLIC

Content hashes

Canonical text78ef3155b21c3c895bf010e5647060cd4941bb13ea7f9f21365a330dcbee0458
Markdownf9c51352cf5def29c9f8e40282f5bd92c08ed3fb4ea35b44df09184986d00ca9
PDF
Publication page9984cf3cbaa59a066b59044c91ff3a48dab97efba80c6db154575b87443ae3d6
Manifest468770e275298f63d58efb388007fab886903c8d3defca961d421f48d396d8c6

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
SignatureZe0ipkB9rWBY65H1cWqtV8a/i+YHlmd6htKK0k/o0h9Lmp+EuL6gTG8A+nQ5NN9UhytjZKWjK3nymuVsPhecBg==
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

2026-09-17T11:56:15.460125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021082
observed 9984cf3cbaa59a066b59044c91ff3a48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:15.440929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021082/manifest.json
observed 468770e275298f63d58efb388007fab8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:15.421893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021082/publication.md
observed f9c51352cf5def29c9f8e40282f5bd92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:15.399106ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021082/publication.txt
observed 78ef3155b21c3c895bf010e5647060cd...
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.