OpenTechnical

OT-2026-000015581

Publication integrity record

Four cup vacuum gripper, four outlet manifold, three stage ejector, supply line pressure sensor, 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-2026-000015581) never changes.

Identity and time

Publication numberOT-2026-000015581 · never reused
Internal UUID01a0ae6d-ef4b-775c-8e5a-5e950bceff86 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015581
StatusPUBLIC

Content hashes

Canonical texte816d45c4b830e3482a863285ed61856c8b1ae63461df6dd5c84b250281d9d29
Markdownf5976f0e7fe27668f1272a79b54da7d6732f420b791ed67aa04cfb5d0356dc56
PDF
Publication page4da6da958047a3cede556320485c85a8547d660bc96afaa4745a6f200a8bb59b
Manifesta33853ee89c60f2404f89e8592bb7e6853c154274e90982da17125861a88ac0c

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
SignatureYVZUZnBPtHgB1fz1AJ7nwdbZG8b4XJzbm9mII7675B9DTRUHubbtLnQD5i0eOkeWUugtZo/j1x6/xVZrtiNHBg==
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

2026-09-17T12:06:22.611319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015581
observed 4da6da958047a3cede556320485c85a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:22.590361ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015581/manifest.json
observed a33853ee89c60f2404f89e8592bb7e68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:22.571917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015581/publication.md
observed f5976f0e7fe27668f1272a79b54da7d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:22.552310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015581/publication.txt
observed e816d45c4b830e3482a863285ed61856...
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.