OpenTechnical

OT-2026-000040222

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed blow-off after 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-2026-000040222) never changes.

Identity and time

Publication numberOT-2026-000040222 · never reused
Internal UUID01a0ae79-26ff-7ba0-a49c-520d60aad0d2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:10.588850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040222
StatusPUBLIC

Content hashes

Canonical textf657c1ee10e98604e9e0857a7a29cc07f1d00a84ddb1c7c74a1964a2fdee70d7
Markdown7bf25f1e0cb88e0796daf974ae77695456b7b9d3999f1fdeb732985140ed7734
PDF
Publication page3f287c9b2fe98186ce1fd1c3ec92161b691b84b6fe967b161100735673345dda
Manifest14b184478d954de222d2cb10441bcda7eea36a2c9f15291f7270e9bfd920e1a7

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
SignatureVQJXahTewR/0rhwQ7eFqFZGoSJBYhc9locNazTUk4Lm87twG7ps5XkuSyzcV/5XwiIXSYxa0IJS7VYQigB/7Cw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:19:06.521197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040222
observed 3f287c9b2fe98186ce1fd1c3ec92161b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:06.506249ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040222/manifest.json
observed 14b184478d954de222d2cb10441bcda7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:06.490194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040222/publication.md
observed 7bf25f1e0cb88e0796daf974ae776954...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:06.472390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040222/publication.txt
observed f657c1ee10e98604e9e0857a7a29cc07...
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.