OpenTechnical

OT-2026-000042982

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, sustained blow-off 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-2026-000042982) never changes.

Identity and time

Publication numberOT-2026-000042982 · never reused
Internal UUID01a0ae7b-3277-7612-874a-dbe14b53476a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042982
StatusPUBLIC

Content hashes

Canonical text62bcc482fefc24cbd7e607ea318eaab3c2e156e9a69a74e811c75fb60e7a2196
Markdowncdbd05eda8c705400d3e6f0ae5d536be5d8fa5a79ef4aabdf9b08ea46fbbc9d8
PDF
Publication page78f7d0d0bf895589866873818a5506e081a56cbdc1a8b3197b46f668ad81b4e4
Manifestd567a211ce3048315c5b71e5dd0d69f6397de3d170c278f0ec84809e1f78d490

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
Signaturewn4/Z116OZyCPnEn4hSgsvuJMmx+yeeaRzfQ2JyIV5Z4PPjrGoxPg4BHEDtCZzwmQfq/aPdJK2zuM1R2Jbm4Aw==
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

2026-09-17T11:13:17.054495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042982
observed 78f7d0d0bf895589866873818a5506e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:17.033911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042982/manifest.json
observed d567a211ce3048315c5b71e5dd0d69f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:17.014175ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042982/publication.md
observed cdbd05eda8c705400d3e6f0ae5d536be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:16.996241ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042982/publication.txt
observed 62bcc482fefc24cbd7e607ea318eaab3...
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.