OpenTechnical

OT-2026-000098581

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, pump fed, supply line pressure sensor, 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-2026-000098581) never changes.

Identity and time

Publication numberOT-2026-000098581 · never reused
Internal UUID01a0aea2-42ac-7a32-bbed-7e72920eb775 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:04.634453Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098581
StatusPUBLIC

Content hashes

Canonical text4e7f7d0c262dc64d9358d58902383a0459855f921a67be528121a58dafb9e2bf
Markdown96ac7b0eee7c6bf91a23739ee92f9280ed01c742395d905a2a89f1563f10ca19
PDF
Publication pageed4217b6b431af971870e51b9ce94c9b4ba50dd86ace977790ad27ffdf08c1c2
Manifest02fd0faca1dcbb658a3fb39f64cd470cb2c4c40cd565f3b9ff8e4caa7d9f2bc8

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
SignatureS9X0PYtYUSdPKU4IzAO0zrZ5aet1KT7663vpo1oWKC5lCgXHd9AuHjCAJoEyRFvmAnarKF+0DwZg2KTR66BBAg==
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

2026-09-17T09:30:50.778806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098581
observed ed4217b6b431af971870e51b9ce94c9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:50.762548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098581/manifest.json
observed 02fd0faca1dcbb658a3fb39f64cd470c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:50.744679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098581/publication.md
observed 96ac7b0eee7c6bf91a23739ee92f9280...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:50.726173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098581/publication.txt
observed 4e7f7d0c262dc64d9358d58902383a04...
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.