OpenTechnical

OT-2026-000098782

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, pump fed, manifold pressure sensor, sustained blow-off before set-down

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-2026-000098782) never changes.

Identity and time

Publication numberOT-2026-000098782 · never reused
Internal UUID01a0aea2-42af-7216-8a4b-19acf70d48a9 · 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-2026-000098782
StatusPUBLIC

Content hashes

Canonical textb2fe774e07dda743e629a53e1e513afc8d307586fe49a3c97cb2477729926b3f
Markdownfcfbea6d38fe904819461c77a8c36a2601c5f8b2c5d18c5c08c1d3bcf8251ba0
PDF
Publication page31a50eddb3d3464e9358030f808d810ebbf75e602c3ef3224d10c8e903ccf141
Manifest2d3fa3bca7b6b4e65d4d47cf4a503bbc784a7492e6489eea4dbe9bcae51bc5c6

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
Signature0jsMYvGxrubQnjWjemZgbatApz1TJPaXA2uwE9KgF0UDLaFk/yTzYOByrQ8Nmy5BXtIqtQ5WQGWNeMtt37ynDw==
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

2026-09-17T09:31:06.407168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098782
observed 31a50eddb3d3464e9358030f808d810e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:06.389263ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098782/manifest.json
observed 2d3fa3bca7b6b4e65d4d47cf4a503bbc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:06.372870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098782/publication.md
observed fcfbea6d38fe904819461c77a8c36a26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:06.354010ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098782/publication.txt
observed b2fe774e07dda743e629a53e1e513afc...
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.