OpenTechnical

OT-2026-000067819

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, pump fed, pressure sensor per zone, 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-2026-000067819) never changes.

Identity and time

Publication numberOT-2026-000067819 · never reused
Internal UUID01a0ae8f-c4fb-78a0-82f7-f40de3570962 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067819
StatusPUBLIC

Content hashes

Canonical texte0f69091d963484816232b05c41a3930a64b6f056cd8ab0a3facee5bb9bd749d
Markdownf5293916d5312c7fa9086a3217cb68430de6efe328bc7f7c4ee8187e07930999
PDF
Publication page56badb8d36d60abff2bdd48dba18e50ddd333fa5f58fe79317fb42955b5b6e97
Manifest05089a161d5ef3b7d393df3a47a5c73a7aee4b6cc10948be24ad44859eb14bcf

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
Signature71gBdFcqCIbUhqg7vFBLu/2AoTv96iTvQrvio49JqJm2dvRMHfTwqHgDKV6tY6nuwoyn5tkmkYb/rGaUuFeZAg==
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

2026-09-17T10:30:04.051951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067819
observed 56badb8d36d60abff2bdd48dba18e50d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:04.030271ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067819/manifest.json
observed 05089a161d5ef3b7d393df3a47a5c73a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:04.010013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067819/publication.md
observed f5293916d5312c7fa9086a3217cb6843...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:03.987525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067819/publication.txt
observed e0f69091d963484816232b05c41a3930...
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.