OpenTechnical

OT-2026-000093057

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, 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-2026-000093057) never changes.

Identity and time

Publication numberOT-2026-000093057 · never reused
Internal UUID01a0ae9e-0910-73dc-ba53-64c0e9b01dbd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:27.740822Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000093057
StatusPUBLIC

Content hashes

Canonical text8c2c288eb48c655889c05b4714b56a4689b6adc200ed65b8be02f8a6654966b8
Markdowne81319d94c9ac7b918de31937b08ef3a02683b3a3c2d06be846d776a8817567b
PDF
Publication page00bd23581537e62f3d1c71a29d634561c871e4f2bfe2470492cbc0f78fed484b
Manifest7f778e86a292d2c682538cc73cbbe1c9c44061f39e7da9a365409061af48bae1

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
SignatureWwtYs+EsHFm4Bjl9jrJRkRPs1lcbtgLglR3g8rpuK3UysYbSaVpsnM8nEVRCddONcW6obYWq687bWfm0/NcxDA==
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

2026-09-17T09:40:18.107463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093057
observed 00bd23581537e62f3d1c71a29d634561...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:18.088311ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093057/manifest.json
observed 7f778e86a292d2c682538cc73cbbe1c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:18.070115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093057/publication.md
observed e81319d94c9ac7b918de31937b08ef3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:18.051765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093057/publication.txt
observed 8c2c288eb48c655889c05b4714b56a46...
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.