OpenTechnical

OT-2026-000078807

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, plant vacuum fed, 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-2026-000078807) never changes.

Identity and time

Publication numberOT-2026-000078807 · never reused
Internal UUID01a0ae95-ccbd-7a54-a88f-0bb4873ff1d6 · 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-2026-000078807
StatusPUBLIC

Content hashes

Canonical text1d99eebbfe774803b1632df08b97628c2be78f9fdc45097add2d108d3f565baf
Markdown4ad708195041fa2a122e790d0d49c4228aac504b04596691c10fd94673395e58
PDF
Publication page8dc441237a6cf89e5e87771a2294242425efb3a606866032ca30d67cff21216a
Manifestbbb33f03152bb8f6f3f4d4a552dae3f7b8fb2eb8a754ef9ddf9c54c6b8dfaf00

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
SignatureeUntR0IYvSMpSYFe3wQWIdoC6xhCrG+ywnTkedzWi3jKBDJp4A70MicrNpYrSXa5OMXoA38XXU1b6vxTEdm8CA==
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

2026-09-17T10:05:35.933127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078807
observed 8dc441237a6cf89e5e87771a22942424...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:35.915602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078807/manifest.json
observed bbb33f03152bb8f6f3f4d4a552dae3f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:35.897467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078807/publication.md
observed 4ad708195041fa2a122e790d0d49c422...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:35.877572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078807/publication.txt
observed 1d99eebbfe774803b1632df08b97628c...
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.