OpenTechnical

OT-2026-000098717

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, two stage ejector, manifold 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-2026-000098717) never changes.

Identity and time

Publication numberOT-2026-000098717 · never reused
Internal UUID01a0aea2-42ae-7e7c-8842-42093678d2f2 · 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-2026-000098717
StatusPUBLIC

Content hashes

Canonical texteb3c31db21fe973a63562d36c92b56caf18712028a9b1b7fcd65e07dc63320e0
Markdown5cdfc3c974705cb5c49ff43552abf03fd73974208754367e5aec3dfa97669de6
PDF
Publication page3c556ec558b762c2139f59d5bf3b496ede8b6fe79c330fa256cb63b86923ef2d
Manifest898ca216bd4476a64059fa4895b2bc015486fd3e27e6c24238a0e1621d5357c5

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
SignatureZ0BQ1qoqsymsK4wjx9u4zJfdHX64D53rqXKxw1MW/5OSXm7zRvSGOYci5WBaZ+BZZylQFsVFEdN8eiq3p6tyAA==
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

2026-09-17T09:31:01.588062ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098717
observed 3c556ec558b762c2139f59d5bf3b496e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:01.569935ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098717/manifest.json
observed 898ca216bd4476a64059fa4895b2bc01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:01.551915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098717/publication.md
observed 5cdfc3c974705cb5c49ff43552abf03f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:01.534326ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098717/publication.txt
observed eb3c31db21fe973a63562d36c92b56ca...
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.