OpenTechnical

OT-2026-000006825

Publication integrity record

Porous face vacuum gripper, common isolation valve, plant vacuum fed, 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-2026-000006825) never changes.

Identity and time

Publication numberOT-2026-000006825 · never reused
Internal UUID01a0a968-b002-772c-8e12-db9f71671730 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:50:05.447736Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006825
StatusPUBLIC

Content hashes

Canonical text013feb5ce65ce0a5e5d08288ca1924023746409357f37e35c00c42f600e9cd2b
Markdown721e43c188c29e5cd2c6cb4951184b72343f87e030b504acb15fd287719c377b
PDF
Publication pageea764506eb3e8e1bfae2999f1e60eba4b781c07827ed3f421fbfeabb5ae2eecf
Manifest02616a24e18156d07ba441ef421e01e8cb586ca0c7308e0453fe3ae9abea842f

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
SignaturetY14c8Uy4kOUIW+lSVJnoCkC6SDbmaNY2WZScIkn0OuI3Pa0JJCTmd0d1BntguosoW9GuN4I/crMOedl9OWCCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T09:00:31.955291ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006825
observed ea764506eb3e8e1bfae2999f1e60eba4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:31.941849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006825/manifest.json
observed 02616a24e18156d07ba441ef421e01e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:31.928638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006825/publication.md
observed 721e43c188c29e5cd2c6cb4951184b72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:31.915265ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006825/publication.txt
observed 013feb5ce65ce0a5e5d08288ca192402...
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.