OpenTechnical

OT-2026-000043421

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, sustained 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-2026-000043421) never changes.

Identity and time

Publication numberOT-2026-000043421 · never reused
Internal UUID01a0ae7b-327e-7c36-b28e-b6c5e723cec4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043421
StatusPUBLIC

Content hashes

Canonical text09b028d0a32ea18d01e57bcfcf79fb41f28bcad7f6bb7ec0188e86c8d7f2f811
Markdowndabaa4c64d21ec185aeb50138cd3a447c09e2128feac50918a6199489821ce48
PDF
Publication pageb7bb3d4af8eb343f29f2ce25240f0983fceb9461b99b78e78a90154e2d5fa74f
Manifestf454bfb1577b327e321d6a16d2bf64f0f346c58d383f0bab0ebdf75733c97c29

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
Signaturev56islwZV2+0RqVj7t4f4K9CgJCw1zb2wo/sBUiSePf779uQxnOTU/XWu0dOQa1qIBxypd/Ljnes3CJ5lQprDw==
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

2026-09-17T11:13:57.820330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043421
observed b7bb3d4af8eb343f29f2ce25240f0983...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:57.800091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043421/manifest.json
observed f454bfb1577b327e321d6a16d2bf64f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:57.781596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043421/publication.md
observed dabaa4c64d21ec185aeb50138cd3a447...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:57.761490ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043421/publication.txt
observed 09b028d0a32ea18d01e57bcfcf79fb41...
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.