OpenTechnical

OT-2026-000005043

Publication integrity record

Vacuum cup gripper, three outlet manifold, plant vacuum fed, pressure verified, vented 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-2026-000005043) never changes.

Identity and time

Publication numberOT-2026-000005043 · never reused
Internal UUID01a0a92c-07b8-7d4a-a927-043352df24cb · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:43:50.203964Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005043
StatusPUBLIC

Content hashes

Canonical text7ff0482c1b5f9fe58865cd673a52c9d2076bbee04fe14cca6dfd1e4080c7c90a
Markdown7f3285445b63dc6f5ae38fdf31cae4483d955b2da46257eda209204ff2423e69
PDF
Publication pagebc63a267e7e878fd8b4bdbdc213851939ae46bc449c93bcfb34621baced5a4b0
Manifestdcdcc46beac54f22b1e05be7d4f7e91fb3c8e1f62dc706645ce64b07ee631ff6

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
SignatureiqkDMpV7ZWMhsjEhjtNG22QeXOylPfZIVzXIF8JASPyCGUHtozjt2LYH3MeUd/cGm9HGwb8DhP2S71ZiAWZwAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:47:02Z
batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof
root e1b42dfa4cd0fb1e3e472afd2db961c2...

Independent retrieval

2026-09-16T07:50:21.695450ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005043
observed bc63a267e7e878fd8b4bdbdc21385193...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:21.683514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005043/manifest.json
observed dcdcc46beac54f22b1e05be7d4f7e91f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:21.671688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005043/publication.md
observed 7f3285445b63dc6f5ae38fdf31cae448...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:21.658851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005043/publication.txt
observed 7ff0482c1b5f9fe58865cd673a52c9d2...
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.