OpenTechnical

OT-2026-000078899

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, two 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-2026-000078899) never changes.

Identity and time

Publication numberOT-2026-000078899 · never reused
Internal UUID01a0ae95-ccbd-747c-abab-01d2bb2f8089 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078899
StatusPUBLIC

Content hashes

Canonical text8a194e80fed350a9b9ed1fdeda53ddd9835743080dc4abc8accf8a682b29a2ab
Markdown321086ff428ecf6136f48f639abf364fd12cad8f411ecb87d2b89894577be929
PDF
Publication page1003e976ebceeb7e6ffd2885b678f690ee7629575c957e02e8d106f6df1b5e1f
Manifest74e173ea4032cab0f523d000b38b2bffefa06aad792c7d6e8dea08927cd3ab15

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
SignatureTJrzwmDCaNLnfRPzHOLTBoxgk/KUJChYhRPuHax6je4tXq1A40yGGkDLEaR1HH/dQXcv/CXyDSW+1X4IRYB8Bw==
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

2026-09-17T10:05:42.607878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078899
observed 1003e976ebceeb7e6ffd2885b678f690...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:42.589494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078899/manifest.json
observed 74e173ea4032cab0f523d000b38b2bff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:42.569965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078899/publication.md
observed 321086ff428ecf6136f48f639abf364f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:42.550295ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078899/publication.txt
observed 8a194e80fed350a9b9ed1fdeda53ddd9...
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.