OpenTechnical

OT-2026-000009840

Publication integrity record

Single cup vacuum gripper, common isolation valve, plant vacuum fed, supply line pressure sensor, vented after 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-2026-000009840) never changes.

Identity and time

Publication numberOT-2026-000009840 · never reused
Internal UUID01a0ae6b-cb78-7740-9623-cb73089d8690 · 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-2026-000009840
StatusPUBLIC

Content hashes

Canonical text95ce77bcfd73193903592458ef8457e3224090888325b44def8434b03609a586
Markdown7d4eae3d1bbbb37b6991cfe8ab5846a12db4114b9b52a721cbbbb3c192c0fd68
PDF
Publication page56785b119ac60508f56ed9af1a7dea7069b6185df042e2581a925db777dcba25
Manifest29e0a0f0911f09ae53ae1a2f5cf54445d317dce5466b90d1dbbefd71a8d1a6ff

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
Signature5/QKohEiUfw+MpeHSnlgUqkdsELE//FUB8ex1cayxBLzc3BFeizOFN2t2gzK8bmHhIRNM0pO9QFukubRXSVTAg==
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

2026-09-17T12:15:45.787709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009840
observed 56785b119ac60508f56ed9af1a7dea70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:45.769929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009840/manifest.json
observed 29e0a0f0911f09ae53ae1a2f5cf54445...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:45.751209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009840/publication.md
observed 7d4eae3d1bbbb37b6991cfe8ab5846a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:45.732181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009840/publication.txt
observed 95ce77bcfd73193903592458ef8457e3...
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.