OpenTechnical

OT-2026-000025197

Publication integrity record

Three cup vacuum gripper, three outlet manifold, pump fed, supply line pressure sensor, sustained 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-2026-000025197) never changes.

Identity and time

Publication numberOT-2026-000025197 · never reused
Internal UUID01a0ae71-5fa6-714f-a6b1-407b13be2530 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025197
StatusPUBLIC

Content hashes

Canonical text67396ec25b27dfbffbdb72580858d038cd7cf77de8b73b81faeabcfa8c8afb4b
Markdown2c4c71189daa09705c00d1db8e735193262afd04ff66a314a393b51f381bc72a
PDF
Publication page41d94e4f6adf499fcff5bd2dcfff329b8089859eb45bcd7ce2c50f92d2017b16
Manifesta16d79f58438d92835ed4c4c7927080a4274e4362fedee478b59fe6e8a976f11

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
SignaturedYQN0/bBdRqTQGsoh8oWVgD//SUNJp+jhgnSDiNGOP6B00Nufy9tw3njqYhTnJlzkRQRPt1nJKoPP/WSPxOjAg==
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

2026-09-17T11:47:11.143813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025197
observed 41d94e4f6adf499fcff5bd2dcfff329b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:11.125511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025197/manifest.json
observed a16d79f58438d92835ed4c4c7927080a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:11.107228ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025197/publication.md
observed 2c4c71189daa09705c00d1db8e735193...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:11.089787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025197/publication.txt
observed 67396ec25b27dfbffbdb72580858d038...
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.