OpenTechnical

OT-2026-000078682

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, vented after 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-2026-000078682) never changes.

Identity and time

Publication numberOT-2026-000078682 · never reused
Internal UUID01a0ae95-ccbb-7f4a-a6e6-e88b0b7d118f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078682
StatusPUBLIC

Content hashes

Canonical text56ab3152dadc63590966c31873f3dc67a022f97db7a831c0b2099fc03b39f1ea
Markdown391569428a05a1f0f4d34acf87acbece80641c551a73e636cde77bced916b6d7
PDF
Publication page01da88b52fdc7097a7566e695e71ad59ad26f1c6f8b6a887cf653814fefb3bb6
Manifest44ad037e69020273146bf3227e8d633365e547ae919ec1e47b581f9b1fd9b14d

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
Signature7PF0RFR0AGmX55a0HbPQ0B8RPL9o/gXFb8wu5OY/OiRNAwmMyUlre6jVUbHuutMC1/T+5RwFUjDl5J991MyQCA==
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

2026-09-17T10:05:27.588505ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078682
observed 01da88b52fdc7097a7566e695e71ad59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:27.570610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078682/manifest.json
observed 44ad037e69020273146bf3227e8d6333...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:27.551770ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078682/publication.md
observed 391569428a05a1f0f4d34acf87acbece...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:27.531694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078682/publication.txt
observed 56ab3152dadc63590966c31873f3dc67...
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.