OpenTechnical

OT-2026-000026013

Publication integrity record

Two cup vacuum gripper, two outlet manifold, plant vacuum fed, manifold pressure sensor, sustained 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-2026-000026013) never changes.

Identity and time

Publication numberOT-2026-000026013 · never reused
Internal UUID01a0ae71-a83f-726b-9238-0f50c7c606ff · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026013
StatusPUBLIC

Content hashes

Canonical text21e4d8accf78b0e701b706fad5cd6af1490ffd813fe0cd4dd408ea2bb612591c
Markdown300422b7d5184868bca92e5fa75774d6a40683e68154e0646694376a9e05a6cb
PDF
Publication page4041938b6620c0a7855c09a8688523853651bb92f16093246ebc165753cf341d
Manifesta875bab0a0bbb33830c37e47463b1583558c1cefee1361dcbb8c1e32b823d0a2

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
SignatureFHKN/U34l+reG2oN1zg7k0nGYqSQXXNIEVfQGqHYy3expGV4c5ejt0uk5VlyKcUwWY515EmnR6o3ixV+pSTXCw==
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

2026-09-17T11:46:23.654762ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026013
observed 4041938b6620c0a7855c09a868852385...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:23.638922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026013/manifest.json
observed a875bab0a0bbb33830c37e47463b1583...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:23.622962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026013/publication.md
observed 300422b7d5184868bca92e5fa75774d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:23.606931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026013/publication.txt
observed 21e4d8accf78b0e701b706fad5cd6af1...
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.