OpenTechnical

OT-2026-000005165

Publication integrity record

Bellows cup vacuum gripper, three stage ejector, pressure verified at each zone

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-2026-000005165) never changes.

Identity and time

Publication numberOT-2026-000005165 · never reused
Internal UUID01a0a92f-f979-7ef2-82b6-54d289b61204 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:48:08.700826Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005165
StatusPUBLIC

Content hashes

Canonical text6549973156361f096585bdecdde7831f1fae64031313840c2f859929cc1169b7
Markdown60332108920929e03b293adde0e85df1868f7d14778de17a7ce139dbe774cd50
PDF
Publication paged677fbaa59f2ca69e9d3694df5f5c6d635e7145c347cb20109e37bf5207fc407
Manifeste2f954f749962805ee70868677f1b1f2121d28f2c9de2118a3abb1039ed89328

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
Signature850y+iHemuo+CueURUnmNfi4zyF5kFPApVh/CUsAxXypEekBFJDKizxh1rB93Uw0O58GHez2YGf3e2mXgPG7AQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T07:50:08.371502ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005165
observed d677fbaa59f2ca69e9d3694df5f5c6d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:08.232868ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005165/manifest.json
observed e2f954f749962805ee70868677f1b1f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:08.218533ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005165/publication.md
observed 60332108920929e03b293adde0e85df1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:08.205869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005165/publication.txt
observed 6549973156361f096585bdecdde7831f...
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.