OpenTechnical

OT-2026-000076670

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, manifold 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-2026-000076670) never changes.

Identity and time

Publication numberOT-2026-000076670 · never reused
Internal UUID01a0ae94-b06f-7aae-be29-e958b46c0c8b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076670
StatusPUBLIC

Content hashes

Canonical textb7d9975bee84b79bf029e2a55b36f25a3dfe50dd20a53be0d75e095b093ea45e
Markdown4c27f600b71240de9dae6b061588d0682c5f14f7dbb342239b1052ca6d47b364
PDF
Publication page667d73f3f48eecdd65277d394ae5f173ab512c0aaa3211bcece9b91c6c0e14bf
Manifest9590c32dc6b8fe9d8f5753b85dd64b41ab4930f640ab8c9ddb1de122552c0a01

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
Signature4kdBdV5TvWegBwnYZsomvdDJ9xOE7RBmqWDcrIn9WQjWkOsRM9nS1pjPwMEAyJCM+glFzy6yxQNxFH++HOapBA==
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

2026-09-17T10:09:25.181638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076670
observed 667d73f3f48eecdd65277d394ae5f173...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:25.162349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076670/manifest.json
observed 9590c32dc6b8fe9d8f5753b85dd64b41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:25.142706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076670/publication.md
observed 4c27f600b71240de9dae6b061588d068...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:25.037929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076670/publication.txt
observed b7d9975bee84b79bf029e2a55b36f25a...
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.