OpenTechnical

OT-2026-000091384

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, single stage ejector, pressure sensor per zone, sustained 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-2026-000091384) never changes.

Identity and time

Publication numberOT-2026-000091384 · never reused
Internal UUID01a0ae9c-f16d-7578-a1ee-192ee698a9e8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091384
StatusPUBLIC

Content hashes

Canonical text56c32be26d70a4821f0260dc33b088f3168a851913342af05cabe60bcb6a7110
Markdown083dd7c77d43616a2be4c7a54589370a6400b74e985a3c2ad475db4d3debd167
PDF
Publication pagea3abea2e745a78641438e8e93cefa49483b29b67e5f7e89a135f6fcbd0d8ca53
Manifestee76a3bb2532ccd1796029b29768d9db5b753af36d0b7cdde13d81e8a8f9b456

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
SignaturenbjeFAQHRZK+FHwDOzP1/0tykO6gYiEwXJGKKZjoXzgxUtSFMmT+xJejxYy/G2WGnm29jSuFS3XIbmGb2rllCQ==
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

2026-09-17T09:43:36.423533ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091384
observed a3abea2e745a78641438e8e93cefa494...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:36.406387ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091384/manifest.json
observed ee76a3bb2532ccd1796029b29768d9db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:36.390041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091384/publication.md
observed 083dd7c77d43616a2be4c7a54589370a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:36.372027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091384/publication.txt
observed 56c32be26d70a4821f0260dc33b088f3...
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.