OpenTechnical

OT-2026-000033034

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, single 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-2026-000033034) never changes.

Identity and time

Publication numberOT-2026-000033034 · never reused
Internal UUID01a0ae75-4843-703c-bc61-be7e97cc6ff1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033034
StatusPUBLIC

Content hashes

Canonical textc54c470298a07de87d694517b584c9922f041b46f85079f8485fe1b50d1cfcb3
Markdowne6d5853b625991c5a066ac5d6a02ed9534e213b3958394cb5450058ecc6b7035
PDF
Publication page28fcc4d470029e4a34b8e4f8dc34eafb80698d26e3e4e6e712df6e0a42bbb0c8
Manifest2a4cfe8115db37b10945a22c2157d2ab4b8fe701e9b99dd931d05162e34c924b

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
SignatureU25PQn51DZOg3y3pBOHOGvVxH5hY70XEZ4zAa0o5kNGUHBYsmW3xjNmRiAspJ+aPMUbMWtXuevqF6TsyBPj6BQ==
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

2026-09-17T11:32:40.163452ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033034
observed 28fcc4d470029e4a34b8e4f8dc34eafb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:40.144588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033034/manifest.json
observed 2a4cfe8115db37b10945a22c2157d2ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:40.124769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033034/publication.md
observed e6d5853b625991c5a066ac5d6a02ed95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:40.102122ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033034/publication.txt
observed c54c470298a07de87d694517b584c992...
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.