OpenTechnical

OT-2026-000010870

Publication integrity record

Single cup vacuum gripper, pump fed, supply line 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-2026-000010870) never changes.

Identity and time

Publication numberOT-2026-000010870 · never reused
Internal UUID01a0ae6c-540d-7839-82be-615c26804acb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010870
StatusPUBLIC

Content hashes

Canonical text8f70447610c3ca4eafc28399b8585cb08d94eab9bcba8f6896e397bb2299c5dc
Markdownc7543f9d93eaae98dd4ca5e5917496e0957db5530482dd0ce45182fd8063d4ed
PDF
Publication page91228f8c55a76e5f471666488c9184f44e9cbb6429f7e4a5672b5980ba9b3eab
Manifest66eb02387d00bebb817f1ec79f19d395b00c65295aabbd84d4bd56cab027ee00

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
Signature2H9OZS6W2Hs7N6tx54Er7qKR43bIMqQN2U1w9r46zm/Co2nBesI6s9Gs42vjpS/g9Ds97Z5GT0sH263S1RJRAQ==
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

2026-09-17T12:13:33.837131ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010870
observed 91228f8c55a76e5f471666488c9184f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:33.816280ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010870/manifest.json
observed 66eb02387d00bebb817f1ec79f19d395...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:33.796696ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010870/publication.md
observed c7543f9d93eaae98dd4ca5e5917496e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:33.742178ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010870/publication.txt
observed 8f70447610c3ca4eafc28399b8585cb0...
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.