OpenTechnical

OT-2026-000068412

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000068412) never changes.

Identity and time

Publication numberOT-2026-000068412 · never reused
Internal UUID01a0ae90-2481-7c69-958a-876abaa4b80d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068412
StatusPUBLIC

Content hashes

Canonical texte398f9aa33561047becc0bf8bf02f5a0f5fa7ed9cfd2c0b67730f6c77c3b86ef
Markdown0bd067506b7dd287c40aaf8cb6a54dc8b36e169193f1d0903c4db56d00e29bcf
PDF
Publication pagecfdd18d31dcb3092fc94e7884bc451c758028e5b0c6456b794046a8f917aa939
Manifestadb75fcfdf4265ff25421440819a84b47e8ce077d9fd3045514fb9cc752ab9f6

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
Signature5OwvJgOONkftJhvn/24vKne1fz4BwEV9+0Wq/XMUMySDyrBhvo362bcwgRBua+UHsXKyz6ebqPtl6GHLLiuwBA==
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

2026-09-17T10:29:32.764675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068412
observed cfdd18d31dcb3092fc94e7884bc451c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:32.747846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068412/manifest.json
observed adb75fcfdf4265ff25421440819a84b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:32.729704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068412/publication.md
observed 0bd067506b7dd287c40aaf8cb6a54dc8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:32.710978ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068412/publication.txt
observed e398f9aa33561047becc0bf8bf02f5a0...
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.