OpenTechnical

OT-2026-000101171

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000101171) never changes.

Identity and time

Publication numberOT-2026-000101171 · never reused
Internal UUID01a0aea3-c378-708c-93ba-09899ae2d962 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:43.138721Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101171
StatusPUBLIC

Content hashes

Canonical textecf0e49e9fd4e36994ae1508cbee7f73710a8f3a1752b6f3abbd825b2669774c
Markdown34cba16e0973e15770c514b6940480f483e711c30e47c3f7ce82149276675df1
PDF
Publication page9b3bcfcc4f6ed266b213c3f3a57105c7255f45aa5e9db670b561e5aa5c6bce03
Manifest873b6c34263ebdbfedc7e535d3a0b048f9ae51b72ef2dad23b147ddecb4c66c8

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
SignatureTqmLgzw7/UrVCtEkzU5j6fPvz4zw1t3uWkXEb9POaS0gqrsgcPLiMUXupXMTNkYkspyeNlwKFdPXytN/STdtDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:26:48.827062ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101171
observed 9b3bcfcc4f6ed266b213c3f3a57105c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:48.809589ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101171/manifest.json
observed 873b6c34263ebdbfedc7e535d3a0b048...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:48.791202ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101171/publication.md
observed 34cba16e0973e15770c514b6940480f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:48.771044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101171/publication.txt
observed ecf0e49e9fd4e36994ae1508cbee7f73...
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.