OpenTechnical

OT-2026-000088504

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, three stage ejector, supply line pressure sensor, sustained blow-off before set-down, on a tool changer

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-2026-000088504) never changes.

Identity and time

Publication numberOT-2026-000088504 · never reused
Internal UUID01a0ae9b-5d28-71aa-be5d-5420bf251c2a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:32.662646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088504
StatusPUBLIC

Content hashes

Canonical textf7df17165e8c760fcc26e725039d55ff5b0de9193660fcde1a2053a0f46922eb
Markdown05b6dde83457165c4ea9725030d451f3c1144e0acd759b698cac49565f44ea57
PDF
Publication page90c303ec83f5337eefba6e6a39eeedc6d9d55986d0ac7b19aa2a02df5e967a6e
Manifestee5119fc0a940548e251066add970d54d9d002fe6e3bf82125a2496105f5fae9

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
SignatureQkYvPOZNo5uFbu4uuJCjtm58rc2320VxiKz6BZv15xfP2ymASaX1GksosL0obJjSRfV7UjLNh/mYiDIzRVc/BQ==
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

2026-09-17T09:48:53.785560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088504
observed 90c303ec83f5337eefba6e6a39eeedc6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:53.767322ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088504/manifest.json
observed ee5119fc0a940548e251066add970d54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:53.749696ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088504/publication.md
observed 05b6dde83457165c4ea9725030d451f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:53.732055ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088504/publication.txt
observed f7df17165e8c760fcc26e725039d55ff...
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.