OpenTechnical

OT-2026-000078901

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, two stage ejector, 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-2026-000078901) never changes.

Identity and time

Publication numberOT-2026-000078901 · never reused
Internal UUID01a0ae95-ccbd-712a-8c8c-6168cb0aaf24 · 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-2026-000078901
StatusPUBLIC

Content hashes

Canonical texta5fe0ee3eca0bdbac7afcfdec7cd488283a0daa2d7a16c8821f253c6989f7744
Markdowncb8e4be01dbc06b21d14ff3123c5bee0037e09f28cf478b5aa5a87e193a88668
PDF
Publication page47ee8ef39915dcf79f8a5bfa6ff81089a7d4b241dfa9fd8b9bd13506d01242d3
Manifest5ef855d806ff8674db4f4220ddee4379a9b3e2f24bb2e88c14dd83b006252af2

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
Signature7oG8/9i+dP6aDZOTwC37y/tXExTChm8KIYCcr6NcaDQFn9Ff11CL4nyjS+9XkWwAT901P1bEknelDN1KzMwpDQ==
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

2026-09-17T10:05:42.767406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078901
observed 47ee8ef39915dcf79f8a5bfa6ff81089...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:42.747515ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078901/manifest.json
observed 5ef855d806ff8674db4f4220ddee4379...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:42.730023ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078901/publication.md
observed cb8e4be01dbc06b21d14ff3123c5bee0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:42.711063ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078901/publication.txt
observed a5fe0ee3eca0bdbac7afcfdec7cd4882...
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.