OpenTechnical

OT-2026-000032538

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, two stage ejector, pulsed 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-2026-000032538) never changes.

Identity and time

Publication numberOT-2026-000032538 · never reused
Internal UUID01a0ae75-106f-701c-a4ce-4ee921818606 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032538
StatusPUBLIC

Content hashes

Canonical textb257ac8c5562212036347b5dc40983628479f7c97fe6d9cd36ea96395fc8d208
Markdownab2d81d478735deec0ff159878534fccd7dd447b04bf8848c380dcc3920bdae0
PDF
Publication pageb99997f84b7d0e0e9fd83d2ad8b9aa82515c320529e7c530b92cb6a2c51c7ad9
Manifest34431da4c9b7df918a426f34ed9352e38983b1d04dd08adf75d0a3cf26da4185

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
Signature07vBd+7IVPJB3mj5BdppxMz0EhdADBKieKOnQUlzbK3CF94a/aXySordd3gXYslTzoNg+y1S6aa/xLvl202VDg==
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

2026-09-17T11:34:06.057744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032538
observed b99997f84b7d0e0e9fd83d2ad8b9aa82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:06.039607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032538/manifest.json
observed 34431da4c9b7df918a426f34ed9352e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:06.022525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032538/publication.md
observed ab2d81d478735deec0ff159878534fcc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:06.005121ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032538/publication.txt
observed b257ac8c5562212036347b5dc4098362...
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.