OpenTechnical

OT-2026-000084156

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, vented after set-down, on a tool changer

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-2026-000084156) never changes.

Identity and time

Publication numberOT-2026-000084156 · never reused
Internal UUID01a0ae98-5b5f-7dd5-8074-480acecd85a6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084156
StatusPUBLIC

Content hashes

Canonical textda5d2daf0d98911f62eb11503d619fd2b6cc8c89a05042fe4471e82802891818
Markdown510bc8c91034feb38a18db45200469e3bff57693e13ea982801c3c085655b3dd
PDF
Publication page68282c19ec6cdb4b356df6d6a8cc7c5dc07165d13453f233acd54d8f8ef227e1
Manifest3b2b6c52412ffdbab1704e10abb73422605a3bd103a33aaa8bc75d2eae08b694

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
SignatureFJtXfUi8JXQmc5ytxFrmqxGBVFy24SvLvBEnn7JCGeTlIgQDe7uZkrvASVSATWRqsC6Qb0x+BhJpF902TKwsAw==
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

2026-09-17T09:55:55.620972ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084156
observed 68282c19ec6cdb4b356df6d6a8cc7c5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:55.602244ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084156/manifest.json
observed 3b2b6c52412ffdbab1704e10abb73422...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:55.581364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084156/publication.md
observed 510bc8c91034feb38a18db45200469e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:55.561248ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084156/publication.txt
observed da5d2daf0d98911f62eb11503d619fd2...
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.