OpenTechnical

OT-2026-000102251

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, two stage ejector, pulsed blow-off after 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-2026-000102251) never changes.

Identity and time

Publication numberOT-2026-000102251 · never reused
Internal UUID01a0aea4-50f3-7462-b2ed-079a241b3505 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102251
StatusPUBLIC

Content hashes

Canonical texte6546fc4223d639bf8ed2d87d6342c73314ab584aa3650e0d8213785d57f9e9a
Markdownfcc68dbda9ba7cd8088dd964d0efc90c1d1f2f827829a07ebeb8be8ac29010c3
PDF
Publication page00f6a15fc3608dd56a77c959af51ae262bd97a8907b2610bf7d9fe5e40bc768d
Manifest1d79b35b92330607dffbb1dd79cedd9dc0fbbc50720fa55ac735a54a8706840a

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
Signature4vwtb7kG6NVxcTZY5QKxpAxrjvNHRXUqdQ1iPdyIfXAyt9fufPHBUpo17GElWmqRyGJbqCtwGVSfkVwD497OBA==
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

2026-09-17T09:24:24.874181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102251
observed 00f6a15fc3608dd56a77c959af51ae26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:24.854701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102251/manifest.json
observed 1d79b35b92330607dffbb1dd79cedd9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:24.835792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102251/publication.md
observed fcc68dbda9ba7cd8088dd964d0efc90c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:24.817414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102251/publication.txt
observed e6546fc4223d639bf8ed2d87d6342c73...
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.