OpenTechnical

OT-2026-000069431

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, three stage ejector, pressure sensor per zone, pulsed blow-off before set-down, on a tool changer

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-2026-000069431) never changes.

Identity and time

Publication numberOT-2026-000069431 · never reused
Internal UUID01a0ae90-b52a-7fc9-a242-e4e027d9d425 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069431
StatusPUBLIC

Content hashes

Canonical text8f35c49161fed717fd09f7d70603afe50fabab1e8deccd1c17052b22bc1b1d7a
Markdown4331b936a1c61b9f6ed7fb63cc517d2fa486518ede23e8b68c64f0ee8d65934d
PDF
Publication page96bc5ce05ec296e2f44a1999ad24ecd55c0d93f57f4542da5023e2811a9c67b0
Manifest454bd76c3af3c0881ecab8d2b4d85d96837d8fc20b2c73a7c1d105936f0ef404

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
SignatureYtYqiO+YPt/cTj5Gwa36U592SrkzSkL7dC6kjQQm1KB5iSUWUHVz9qMekJJba8qzi8yqYReqM7ZGtxhRxG07CQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:30:22.539816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069431
observed 96bc5ce05ec296e2f44a1999ad24ecd5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:22.522127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069431/manifest.json
observed 454bd76c3af3c0881ecab8d2b4d85d96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:22.505270ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069431/publication.md
observed 4331b936a1c61b9f6ed7fb63cc517d2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:22.487503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069431/publication.txt
observed 8f35c49161fed717fd09f7d70603afe5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:02.590864ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069431
observed 96bc5ce05ec296e2f44a1999ad24ecd5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:02.574020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069431/manifest.json
observed 454bd76c3af3c0881ecab8d2b4d85d96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:02.557268ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069431/publication.md
observed 4331b936a1c61b9f6ed7fb63cc517d2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:02.539426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069431/publication.txt
observed 8f35c49161fed717fd09f7d70603afe5...
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.