OpenTechnical

OT-2026-000093488

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, single 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-2026-000093488) never changes.

Identity and time

Publication numberOT-2026-000093488 · never reused
Internal UUID01a0ae9e-508a-7372-a046-e8530ae865c2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:46.038602Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000093488
StatusPUBLIC

Content hashes

Canonical textef2f717c42dc08e3358481f6de2e91d8ddbb09757b007504f8055e5a8dd0b204
Markdown2ecffccea24353847a5ed31351beae39f31a70c120f9c251cac7b5e8c2facb00
PDF
Publication pageb274b4ba5c2048d4b708c637fb57e40c054a310e8b097aa0d7622379daf0f0db
Manifest1a7d7048ac48576ab9a81e34667bafc2c1102a080e9860236bf65cb64f0d78fb

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
SignaturetX81/NuFktyqhLJ/Wwq2cgMcpIMLkXxojC+cgN6FM6vndlWKvfnxOa1XouqQvKdFL8baGDd2cuBeu33Bau5FAA==
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

2026-09-17T09:40:25.787260ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093488
observed b274b4ba5c2048d4b708c637fb57e40c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:25.770205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093488/manifest.json
observed 1a7d7048ac48576ab9a81e34667bafc2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:25.750596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093488/publication.md
observed 2ecffccea24353847a5ed31351beae39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:25.732068ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093488/publication.txt
observed ef2f717c42dc08e3358481f6de2e91d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:29.891980ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093488
observed b274b4ba5c2048d4b708c637fb57e40c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:29.871737ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093488/manifest.json
observed 1a7d7048ac48576ab9a81e34667bafc2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:29.850586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093488/publication.md
observed 2ecffccea24353847a5ed31351beae39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:29.829561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093488/publication.txt
observed ef2f717c42dc08e3358481f6de2e91d8...
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.