OpenTechnical

OT-2026-000031128

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two 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-2026-000031128) never changes.

Identity and time

Publication numberOT-2026-000031128 · never reused
Internal UUID01a0ae74-87aa-7848-8158-61d6a0bd0127 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031128
StatusPUBLIC

Content hashes

Canonical texte344276ecd0c425b260f4416fb3b367dce4d6421d37de7a06cdb29270f4b2fb5
Markdown743de0933c5ae747cf05135d03351e2177861b292e9c6b85ff2273b4fb9ef310
PDF
Publication page05c913aefda61ea1d71acecf560d1e67c20f06f7b30701c1016629527a7c0b58
Manifest425f57d2d2b79d2c646aa18ee569e4d45e1253633469e99f32ebd4786d71542a

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
SignatureZGBVO7xhy9778zw6FKSHe51nKKxAtHBATJvidKRfDbW1q7b4tHXTf6RqknYrTMhV9VQFbph3pBMVq5Ew4YZ6Ag==
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

2026-09-17T11:35:33.911526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031128
observed 05c913aefda61ea1d71acecf560d1e67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:33.894470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031128/manifest.json
observed 425f57d2d2b79d2c646aa18ee569e4d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:33.876268ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031128/publication.md
observed 743de0933c5ae747cf05135d03351e21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:33.857151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031128/publication.txt
observed e344276ecd0c425b260f4416fb3b367d...
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.