OpenTechnical

OT-2026-000020182

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000020182) never changes.

Identity and time

Publication numberOT-2026-000020182 · never reused
Internal UUID01a0ae6f-4379-719e-ac19-6609381b6fd4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:22.507199Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020182
StatusPUBLIC

Content hashes

Canonical texte7b6d1e9dcf4c20c13c628bc63b1b1727df362c820899b1039c0bf566ac9e15b
Markdown35a0cc9f89a84f4e88b1b7e9010fec46556a9ac6bb57a975b5f26c6003853a77
PDF
Publication pagea2053db6fa01da91a430bc3e9da385142335de9a6ae73703f4b5f15e01749b81
Manifest7e8fd86af8e59680489d8042bdb5b3e666a041af91b74d19427159efea90589e

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
Signature2meoCMUUkSz81YfY+yAZkLCq3KwBs3MAQIjL1eDbSncvrD70/eznpyVpc+hydyCEtB5R/WaPmcdJh/WNLOgyCg==
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

2026-09-17T11:56:30.153535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020182
observed a2053db6fa01da91a430bc3e9da38514...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:30.135510ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020182/manifest.json
observed 7e8fd86af8e59680489d8042bdb5b3e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:30.118025ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020182/publication.md
observed 35a0cc9f89a84f4e88b1b7e9010fec46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:30.098952ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020182/publication.txt
observed e7b6d1e9dcf4c20c13c628bc63b1b172...
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.