OpenTechnical

OT-2026-000022310

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, sustained 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-2026-000022310) never changes.

Identity and time

Publication numberOT-2026-000022310 · never reused
Internal UUID01a0ae6f-f4fc-79fb-820e-7167e53f401d · 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-2026-000022310
StatusPUBLIC

Content hashes

Canonical text523839bfbea600c3787e5207554c499620e3ede181c5645b8ee4b8806a660273
Markdown5cf8717fdde4108a79feff090fcd99f51986f286b58116dca11e0bce6a5b9868
PDF
Publication pageb349416973a167d36fff42e9f0a7cec0ffe142b3b412d9f84a77073fcdfcdc1c
Manifestab7de6241860dcc51ca3134d5a4a0613db08761e1bfecab02856a11b359d555c

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
Signature/CmOf+0QJSLHmMLYV8XlTfYQXLDyHo3H00G4i5uThn0C8embIljP6JsjVp4PUYHnIgAhvyRDTkkHsZ84WCuMDQ==
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

2026-09-17T11:53:40.092115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022310
observed b349416973a167d36fff42e9f0a7cec0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:40.075367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022310/manifest.json
observed ab7de6241860dcc51ca3134d5a4a0613...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:40.056646ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022310/publication.md
observed 5cf8717fdde4108a79feff090fcd99f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:40.038245ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022310/publication.txt
observed 523839bfbea600c3787e5207554c4996...
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.