OpenTechnical

OT-2026-000076258

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum 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-2026-000076258) never changes.

Identity and time

Publication numberOT-2026-000076258 · never reused
Internal UUID01a0ae94-6a6f-7442-bf78-64d58fcae085 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076258
StatusPUBLIC

Content hashes

Canonical textcd55071b4531e3808ea75f769af1fb81f7ac1e6f643947261a2ae0a7f0257167
Markdown505e47060de4632416a900918650bc6c02774874e5dc54a4434ab146bfa4b3c3
PDF
Publication page9fae2618b7433f8bca7b60b8002697f0e6644e437e4fd6801667c3b92cae409e
Manifest8a976d87930e7c90ce4f50ca306c41ce7e1517c95c32d0481bade38d06071794

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
SignatureoMzoGQD71j4OVzHUxRVHR6yZV8Mria/N70r0IicZ1srIE7rLfjFTMzAu2I/1dU2v4cM+ULbpskCWLwVOX/3vAQ==
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

2026-09-17T10:11:50.309883ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076258
observed 9fae2618b7433f8bca7b60b8002697f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:50.288647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076258/manifest.json
observed 8a976d87930e7c90ce4f50ca306c41ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:50.267986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076258/publication.md
observed 505e47060de4632416a900918650bc6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:50.248226ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076258/publication.txt
observed cd55071b4531e3808ea75f769af1fb81...
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.