OpenTechnical

OT-2026-000078501

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, pump fed, pressure sensor per zone, pulsed blow-off before 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-2026-000078501) never changes.

Identity and time

Publication numberOT-2026-000078501 · never reused
Internal UUID01a0ae95-7c29-718b-ae8c-2864cd42cf67 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078501
StatusPUBLIC

Content hashes

Canonical text0d7d7d2aef9272657aca7c47904c7408ac329bcf886370a6c9db0b5b3fa4bfbf
Markdown9eb9cf3269226aefb5674ecec921307f4de8a01181d93b72ad1ec3ca0591ef79
PDF
Publication pageaa66c98a18062264f49180cb7add8288c21617d85695c6d5fb09a19cf62c1e83
Manifestac3b28e6467fe1addd92f64116dc21e1e50448c62fb19f9ea271321404647f48

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
Signature1yqTJraxdTFpBs1gKwwiWM9nCoDCfz6ZE1M9kEPUx2t8ks6sh1lzUXbA0GVhlvo+X8STNZncvBmiYhrVDGZeBw==
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

2026-09-17T10:06:30.802406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078501
observed aa66c98a18062264f49180cb7add8288...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:30.781899ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078501/manifest.json
observed ac3b28e6467fe1addd92f64116dc21e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:30.764434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078501/publication.md
observed 9eb9cf3269226aefb5674ecec921307f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:30.747007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078501/publication.txt
observed 0d7d7d2aef9272657aca7c47904c7408...
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.