OpenTechnical

OT-2026-000009870

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, pump fed, supply line pressure sensor, vented 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-2026-000009870) never changes.

Identity and time

Publication numberOT-2026-000009870 · never reused
Internal UUID01a0ae6b-cb78-70ea-ad9c-144ada7e1ab0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:35.184400Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009870
StatusPUBLIC

Content hashes

Canonical text1bf584f194739cf9e0180af1c5ab4408c4f09910faf7a9f110b4352f51170c1e
Markdown65a093387aea2d73d9641c21b3115f6c170efa61c767351e0eb1cf8e2b02c520
PDF
Publication page5c7154d553c578acd287c91a244e7c8cd574171cf2e84692094589acbe5ec209
Manifest418d7553f5d15cb5825386cc7f1f219c2b368b5bb831f37f56ef019ee6fb3696

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
SignatureiESSqqhihpE4Bd/Jp/exTO1xa1ol9e7LcUeikk2G1Uec+1aObczKouTgER3LmEJGkVoMJfH+o4AriTeK6MbrDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:15:52.516779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009870
observed 5c7154d553c578acd287c91a244e7c8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:52.498960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009870/manifest.json
observed 418d7553f5d15cb5825386cc7f1f219c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:52.480201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009870/publication.md
observed 65a093387aea2d73d9641c21b3115f6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:52.461277ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009870/publication.txt
observed 1bf584f194739cf9e0180af1c5ab4408...
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.