OpenTechnical

OT-2026-000097140

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, 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-2026-000097140) never changes.

Identity and time

Publication numberOT-2026-000097140 · never reused
Internal UUID01a0aea1-01c9-774c-b8bd-52795d6ec648 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:09:42.488246Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097140
StatusPUBLIC

Content hashes

Canonical text78d94f4a7df79944849dbbbcb16b531fc80e08bfd1664429841c2d13a8e32c60
Markdowne8a0ee648becadf6c03cd7903a6667c8f915533b56b2f23a2c4b30c9d274e117
PDF
Publication page0da1a0e52f010b6285c96d808994fc9fd8c42575ccbe9fda3bd7764bb5b85e36
Manifest2ede2d561b98213bc60541c46eb4ae1e08b5958cc3d45b0710012749987758c9

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
Signature+WEivpUFSKrRuLU1NBl8CYGtsp92ny/l8vXfiNNHeE6pLMLXTQfrC37Z1rBcBtnsGpAKZNYFOydg5t2RylX8Cw==
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

2026-09-17T09:10:55.903750ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097140
observed 0da1a0e52f010b6285c96d808994fc9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:55.886584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097140/manifest.json
observed 2ede2d561b98213bc60541c46eb4ae1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:55.870061ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097140/publication.md
observed e8a0ee648becadf6c03cd7903a6667c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:55.854010ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097140/publication.txt
observed 78d94f4a7df79944849dbbbcb16b531f...
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.