OpenTechnical

OT-2026-000031376

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, sustained blow-off 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-2026-000031376) never changes.

Identity and time

Publication numberOT-2026-000031376 · never reused
Internal UUID01a0ae74-87ad-7a6a-bbfa-503241128013 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031376
StatusPUBLIC

Content hashes

Canonical text23518a71e4e9c86f5421536123fe2a8e1c25037f737a9675376c67cb276aa112
Markdown2f6dfdc2b42b6a011ea19136ec93652f5d37f58c89ed14e1f86db6d96bdde37c
PDF
Publication page0ae55268af9981778c294704bdddd725ce83817b1b402e95344b10c80ca8df62
Manifest190bb47fbc5c94cc1ac07f77f9cf1e9fced71b5ded42dd734c87e63e1717a8ce

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
Signature5Qx6Jp1EluVem/s6n2v8qH77nyYW1WkWN+PMR6+Am00RafWNc2NyX3Cgu8A3l1mHauvEKJvUN17h4Y/dsb5bAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:36:04.917259ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031376
observed 0ae55268af9981778c294704bdddd725...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:04.895815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031376/manifest.json
observed 190bb47fbc5c94cc1ac07f77f9cf1e9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:04.879492ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031376/publication.md
observed 2f6dfdc2b42b6a011ea19136ec93652f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:04.861886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031376/publication.txt
observed 23518a71e4e9c86f5421536123fe2a8e...
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.