OpenTechnical

OT-2026-000080961

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, plant vacuum fed, sustained blow-off 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-2026-000080961) never changes.

Identity and time

Publication numberOT-2026-000080961 · never reused
Internal UUID01a0ae96-b975-768b-ab05-2599e3b64b37 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080961
StatusPUBLIC

Content hashes

Canonical text8d6e8c3c5006e319971a05409775dae279188291b82940c0299c386e199727f8
Markdownc6af8aa8da44f50c137526cf1ae94434e97b7eba2aaf9f8dc7e0a30a191ae678
PDF
Publication page2ceb25188d45d4a3934914f8ba8b9906e2a783b596a5c363e8fe4867d5699e86
Manifestf56bd6187897d47fea1e36694094c31c48ed45bd7c7d5c8248d7fe5118d1dbf4

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
Signature1hU+2PKQm1hTvCvppMJhRuNzhE3tJnF6WWZe5VC1yLQ6te03tWRT34oMOxgkfYBjQXiVrn6wPJkguyhYV/IJCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:02:14.573951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080961
observed 2ceb25188d45d4a3934914f8ba8b9906...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:14.554941ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080961/manifest.json
observed f56bd6187897d47fea1e36694094c31c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:14.538107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080961/publication.md
observed c6af8aa8da44f50c137526cf1ae94434...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:14.520007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080961/publication.txt
observed 8d6e8c3c5006e319971a05409775dae2...
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.