OpenTechnical

OT-2026-000057834

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, pump 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-2026-000057834) never changes.

Identity and time

Publication numberOT-2026-000057834 · never reused
Internal UUID01a0ae88-6ed8-7b5b-a964-20023cfca766 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057834
StatusPUBLIC

Content hashes

Canonical textadd62518f3281326f58443f6edbd9de1f533ca2c161867761f533eeec072d8df
Markdown59c5854e8b9bed7bb78cef1e04f9f026fcfa4556f1f206feb7dc9c4fd31dd6a5
PDF
Publication page8ace6539099c12963183a43d433e4feeb8ce3b48ad592f0df33047bd1dacad24
Manifestaf1b81f70f7d7d42c95e1ee75a24a804f523fa0672917fb89d263050ec7c19c6

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
SignaturejFSWzWxlGMvLdDmeYxLDdwA/aUVelaggYkoRXGV1VfLbEa+BkUrvC7I96vIfjxZEab1ELSuBs7X3oLFYXym4CQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:47:24.571305ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057834
observed 8ace6539099c12963183a43d433e4fee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:24.553527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057834/manifest.json
observed af1b81f70f7d7d42c95e1ee75a24a804...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:24.534294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057834/publication.md
observed 59c5854e8b9bed7bb78cef1e04f9f026...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:24.516254ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057834/publication.txt
observed add62518f3281326f58443f6edbd9de1...
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.