OpenTechnical

OT-2026-000020592

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, three 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-2026-000020592) never changes.

Identity and time

Publication numberOT-2026-000020592 · never reused
Internal UUID01a0ae6f-437c-7cf8-af04-f448cfa34546 · 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-2026-000020592
StatusPUBLIC

Content hashes

Canonical text59a03f70d2ea5a61f3770e435be402ad4e849fd4bfae35536552ee8fb6bd41d3
Markdown099c7e507a89810bd1acace6d10ad95927211ca327c227e0700b8744d39b5cea
PDF
Publication page8673d2116fe5f189510e5bac6ae9d382df789d01c9b9037750c6b4372e8bc800
Manifest9331ae6e79fda2d4dfca0b1289b73ea37ca32cedf0a36a59f6e644699b297e60

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
Signature0ge+BV/G8+zazGhvBhdYWtHwSOOIqnzSrHQmjQo/c+MLGKcjTIlIYPWPiTveMY/n4DQC85MaClFNJT/XJTvaCg==
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

2026-09-17T12:00:43.708917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020592
observed 8673d2116fe5f189510e5bac6ae9d382...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:43.690784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020592/manifest.json
observed 9331ae6e79fda2d4dfca0b1289b73ea3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:43.674277ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020592/publication.md
observed 099c7e507a89810bd1acace6d10ad959...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:43.655759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020592/publication.txt
observed 59a03f70d2ea5a61f3770e435be402ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:37.980556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020592
observed 8673d2116fe5f189510e5bac6ae9d382...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:37.963222ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020592/manifest.json
observed 9331ae6e79fda2d4dfca0b1289b73ea3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:37.945416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020592/publication.md
observed 099c7e507a89810bd1acace6d10ad959...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:37.927910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020592/publication.txt
observed 59a03f70d2ea5a61f3770e435be402ad...
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.