OpenTechnical

OT-2026-000068556

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, 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-2026-000068556) never changes.

Identity and time

Publication numberOT-2026-000068556 · never reused
Internal UUID01a0ae90-2482-76e2-92d4-df44faa4ed7e · 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-2026-000068556
StatusPUBLIC

Content hashes

Canonical textba6398bc12692262be722cd7b8f3a4a10bca63897dc8468124d85543186c280e
Markdowncd09da804adc460d00275042e01e7c465ac0cbbad6a73c76d95c218c35f143ec
PDF
Publication page9d5e0f2cf0dce04282a9764770c650f58922193b8ffef22f6f205ff7219d965d
Manifestdff29c748a48084dfa90492fb0720e9c0be45a2181745188afa7e69a9842b538

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
SignatureyJQ/iXazMfTy7qFjFAYoABv4jzbta7ZRp/jKFkIIwyLU1AkH9Ww9yJUcfitFw81oPu5HJzWHYCLGW7njRBdmBg==
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

2026-09-17T10:29:43.477173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068556
observed 9d5e0f2cf0dce04282a9764770c650f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:43.458158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068556/manifest.json
observed dff29c748a48084dfa90492fb0720e9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:43.438846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068556/publication.md
observed cd09da804adc460d00275042e01e7c46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:43.421595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068556/publication.txt
observed ba6398bc12692262be722cd7b8f3a4a1...
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.