OpenTechnical

OT-2026-000054379

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000054379) never changes.

Identity and time

Publication numberOT-2026-000054379 · never reused
Internal UUID01a0ae85-b3aa-711a-ad22-bb47a11db100 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054379
StatusPUBLIC

Content hashes

Canonical text8ea0e853054b83fdf10be58cec4699a166a192e84032b42cd5bf520f7ba66c3b
Markdown412b565f635b0c08da5543cf7b902e6bce5520674fbc7c8e76416d43e3978e7a
PDF
Publication pageaab54b84d64dd3106b2ff69f07ec7467cf3346f82dcb254e8a6fb80ccba9d5f6
Manifestd289c54cee1f36de92672b7f603de154a807f505128de27e8fc2d3f0e57895c9

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
Signaturejs9AMxLuTi1lcgJJhMq/WKKYd8H6V7hnz+vvtCGp+7JmZeC41MFyG1KztKUq6L+QE8ZLm2+Jqtg9JkQvW+M5DA==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:54:54.781429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054379
observed aab54b84d64dd3106b2ff69f07ec7467...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:54.764287ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054379/manifest.json
observed d289c54cee1f36de92672b7f603de154...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:54.745918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054379/publication.md
observed 412b565f635b0c08da5543cf7b902e6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:54.724950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054379/publication.txt
observed 8ea0e853054b83fdf10be58cec4699a1...
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.