OpenTechnical

OT-2026-000078486

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, vented 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-2026-000078486) never changes.

Identity and time

Publication numberOT-2026-000078486 · never reused
Internal UUID01a0ae95-7c28-7fb6-bb7e-277fc67988f4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078486
StatusPUBLIC

Content hashes

Canonical text81026949b950cc714cc28e689e058e6739bad3a30e9560f16b482e213cb535a7
Markdownf75fda4566bc487edd63640df0ae355cb85c5f28b8ec39d2c2bfd26cb098d8d3
PDF
Publication page67ab79e68a975dd2d168e124ee4d30809438a7235eff0785e09dac64e7cc3232
Manifestdb747b138823101afa5cbb069cbd4deb655088044862a159f8c4c588c5e590d0

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
SignaturehI9ozXmeXDG3RRwSvtysYpdX+wLMMmR+5+drdi65vn48UtZ4VTffm2cvgVDEcm7v/mjalbmpdhVML95F5UJ8Ag==
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

2026-09-17T10:06:29.787727ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078486
observed 67ab79e68a975dd2d168e124ee4d3080...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:29.766740ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078486/manifest.json
observed db747b138823101afa5cbb069cbd4deb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:29.746837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078486/publication.md
observed f75fda4566bc487edd63640df0ae355c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:29.727408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078486/publication.txt
observed 81026949b950cc714cc28e689e058e67...
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.