OpenTechnical

OT-2026-000078188

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single 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-2026-000078188) never changes.

Identity and time

Publication numberOT-2026-000078188 · never reused
Internal UUID01a0ae95-7c26-7640-bedd-0a88bdb7fdee · 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-2026-000078188
StatusPUBLIC

Content hashes

Canonical text33a39324529b8e5a0acc075ff5a2acaa0e9599df6d8c70b21e697fecf7282aec
Markdown1f88b36f44bfb40f6ec62a759a9b7be3ada410f77867061cf9bc44190b4db64d
PDF
Publication page473ae0fbd7157a56699a9f9ffda8fd35a4b61993a72e5db72e74716f6aa175bf
Manifesta46070458d9fa9730354897ab22f462b1e6a7cf9943b7bf2364ad8354ae74f80

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
SignatureY9PEKRGs32zrFQJJrVsn5VMCSlcVtl7jShKiE2rJOLfzeo59+Pua6+JEY9KZU/pAqQFeDfHpx7i5VHegdKRpBA==
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

2026-09-17T10:06:07.952459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078188
observed 473ae0fbd7157a56699a9f9ffda8fd35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:07.935694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078188/manifest.json
observed a46070458d9fa9730354897ab22f462b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:07.917238ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078188/publication.md
observed 1f88b36f44bfb40f6ec62a759a9b7be3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:07.896010ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078188/publication.txt
observed 33a39324529b8e5a0acc075ff5a2acaa...
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.