OpenTechnical

OT-2026-000048213

Publication integrity record

Two cup vacuum gripper, two outlet manifold, single stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000048213) never changes.

Identity and time

Publication numberOT-2026-000048213 · never reused
Internal UUID01a0ae80-4de2-7b25-8e84-183d483b17b4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048213
StatusPUBLIC

Content hashes

Canonical text14717988f57c7a719176691f83bb8582a9016df9ca136faefe48f11799857245
Markdown039fcb3f6aec6ffb13f5c2d9dcab2bf37eb013c8c450ce1ccb9633ad6b8d8e4c
PDF
Publication paged073399f7ebe3ff0d9a2191c92bede1ee5b84bbae342ae0e8569e9ec135ce32a
Manifest7b0af8dae130dbd901509c0781b0641898a83d9d21ac7459dae89baad06dc8e8

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
SignatureiHDx/UBEN6nE8L1nlYPubOy7OpGXqNqOk7Y5a/6lL+r5+JTq6S4hCWkUuYJCv3KcrPzgqYmmPUAk8pxDhefeBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:04:45.782981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048213
observed d073399f7ebe3ff0d9a2191c92bede1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:45.764750ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048213/manifest.json
observed 7b0af8dae130dbd901509c0781b06418...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:45.746078ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048213/publication.md
observed 039fcb3f6aec6ffb13f5c2d9dcab2bf3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:45.728169ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048213/publication.txt
observed 14717988f57c7a719176691f83bb8582...
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.