OpenTechnical

OT-2026-000022715

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, plant vacuum fed, 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-2026-000022715) never changes.

Identity and time

Publication numberOT-2026-000022715 · never reused
Internal UUID01a0ae70-46e9-75d6-ae97-6a7a5970f6eb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022715
StatusPUBLIC

Content hashes

Canonical textc5e7cb855828570422d4e76162ad07370f79f729e178209c28a4ceafc2fea682
Markdown9b7d03f4c92efe8ce228363298b75930a9a462b0ecc9fbef162bbc24b349aa4f
PDF
Publication page9f494c94ce9e0cd9acae854655ed33e9d3c5e1eb0b0a7fbbaa334ef21015ab78
Manifestddc8242fdf499835e6bbfde4399565da496f8e86559d87deecc222f62212257c

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
Signaturen2DUoCImdCFX5ebb5bmNiSb0AxTfqPOL66EqapUMjKWxvtsyR1YkPgewK0wGCBUVLiS3/nGtCQSSMyfLaJM9Bw==
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

2026-09-17T11:52:12.813836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022715
observed 9f494c94ce9e0cd9acae854655ed33e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:12.794451ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022715/manifest.json
observed ddc8242fdf499835e6bbfde4399565da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:12.776662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022715/publication.md
observed 9b7d03f4c92efe8ce228363298b75930...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:12.757234ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022715/publication.txt
observed c5e7cb855828570422d4e76162ad0737...
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.