OpenTechnical

OT-2026-000012590

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, 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-2026-000012590) never changes.

Identity and time

Publication numberOT-2026-000012590 · never reused
Internal UUID01a0ae6d-39f7-7b1a-b7e3-ab5fd7f15627 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012590
StatusPUBLIC

Content hashes

Canonical textb64d7087c05de88915fc33eea538fb735d19a0ffa78a0bbddfd011379c789c31
Markdown83c41000c140c0da6604cc554474ec94bd2a4e8b66139d39e282f12237812680
PDF
Publication page115df057e199bc20a2aaa34d157c7bba713d9015019dcc0d40dfe7d5e48545de
Manifest0aa2d2fe91b5a8e7f0b5a836c4046aab3f90376b9efb1714f8758681ad63aa16

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
SignatureQHnNqvIMVrgBsKn1/x4NavaQ2szSxKdyWJGRWMq273Yw2M8Ykku3Cujw9C5/AKSEimILNyoVsjlmrRYQc8I9BQ==
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

2026-09-17T12:12:08.818733ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012590
observed 115df057e199bc20a2aaa34d157c7bba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:08.800178ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012590/manifest.json
observed 0aa2d2fe91b5a8e7f0b5a836c4046aab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:08.780450ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012590/publication.md
observed 83c41000c140c0da6604cc554474ec94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:08.763237ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012590/publication.txt
observed b64d7087c05de88915fc33eea538fb73...
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.