OpenTechnical

OT-2026-000016025

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, pulsed blow-off 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-2026-000016025) never changes.

Identity and time

Publication numberOT-2026-000016025 · never reused
Internal UUID01a0ae6e-0c4d-75bb-a5df-b0faf8b36b4d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016025
StatusPUBLIC

Content hashes

Canonical textcb979cf800f6f327355b62e5604fa4a22010f40a238d4376536af2767fcc7e01
Markdowna962a8f8d861cce8dccd22728a5f1eac83259250bbfeb049f654e6475a3a1f8c
PDF
Publication page2b412441cec70edcc723d65f1b10c9c79b37d5b7c157fe102e75b9a677706e50
Manifest7e5a85609673f0fe6089390b539fb2fbd3a9877cbed8bad9bf1e3acbbf4eaf48

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
Signature0MCRk5SIXtuMlGJ/Udv11OpEvNBR7Uh2yJhUmK/gug7J3EtRqfy0JMTE0/ktw20iHyosS8hicPcL9zknrWWDBQ==
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

2026-09-17T12:05:34.220681ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016025
observed 2b412441cec70edcc723d65f1b10c9c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:34.198049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016025/manifest.json
observed 7e5a85609673f0fe6089390b539fb2fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:34.173860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016025/publication.md
observed a962a8f8d861cce8dccd22728a5f1eac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:34.150792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016025/publication.txt
observed cb979cf800f6f327355b62e5604fa4a2...
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.