OpenTechnical

OT-2026-000018216

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer

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-2026-000018216) never changes.

Identity and time

Publication numberOT-2026-000018216 · never reused
Internal UUID01a0ae6e-b488-75a5-86b0-07dfa52aa2cf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018216
StatusPUBLIC

Content hashes

Canonical textc1dd875be8a118fd8215c39cf93553a35ff9fd97bba32db256d2ed02cb891989
Markdowna2563f8b51f1b7a7ee54f35b989dee43f402dc08f620884e37f992de157d61db
PDF
Publication paged03bf11dccff150ffebb2b69315626f2ad3e33cd9cc4995103850e17a2ab7d5f
Manifest72e16999aa9cae013794f17ea96de28e3c721770eda2b8ac6121c6fac508258a

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
SignatureGjPDEnqxm7e97p7ZoT+RXKZz+jl2qq8lrFDdoBsI+BISWj5bNbc4LWfjENmQ8SZhOkq69GRvR+VBRkubf8+hCg==
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

2026-09-17T12:00:00.122656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018216
observed d03bf11dccff150ffebb2b69315626f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:00.104841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018216/manifest.json
observed 72e16999aa9cae013794f17ea96de28e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:00.085545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018216/publication.md
observed a2563f8b51f1b7a7ee54f35b989dee43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:00.066134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018216/publication.txt
observed c1dd875be8a118fd8215c39cf93553a3...
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.