OpenTechnical

OT-2026-000025658

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, pump fed, supply line pressure sensor, 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-2026-000025658) never changes.

Identity and time

Publication numberOT-2026-000025658 · never reused
Internal UUID01a0ae71-9bc9-7d9c-925d-f7588f9c949d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:56.183170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025658
StatusPUBLIC

Content hashes

Canonical textc9e43ddf13f0d31d2a7e14bd94106b612188960d00e1582b527c2319cfc899aa
Markdown61a15d277d91b78f10b7d605bee091b9a4961f9b9dfecd34998410b8ca04c062
PDF
Publication pagea707401b549d4ec4f00a4db3f12c33aad38a85aec28bfc47180a053adf7890e4
Manifest04a463d21c88220eabd8e840d1ff05caf83539108f55109715440e4a88555a34

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
Signature6/pK/AePk/g30gY4vqtqCQkzFfy6bLymyBZFWeBKYgcAtsAm9C7Y7PTstvxrPwGGxUk3cJc3QK3WKRleHVGcDg==
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

2026-09-17T11:46:51.864169ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025658
observed a707401b549d4ec4f00a4db3f12c33aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:51.841869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025658/manifest.json
observed 04a463d21c88220eabd8e840d1ff05ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:51.816454ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025658/publication.md
observed 61a15d277d91b78f10b7d605bee091b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:51.799949ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025658/publication.txt
observed c9e43ddf13f0d31d2a7e14bd94106b61...
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.