OpenTechnical

OT-2026-000081939

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, 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-2026-000081939) never changes.

Identity and time

Publication numberOT-2026-000081939 · never reused
Internal UUID01a0ae97-0f76-7a1c-9540-efa889b38499 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081939
StatusPUBLIC

Content hashes

Canonical texte0760be3b6a6fcae6f5ba575d104d007c1d6ada75bec115a5016caf84e0cf62a
Markdownc2c79342babe287d3ccc1cff0a7082b8684164d252768c52cc4853b1bc77c16d
PDF
Publication page760e8cf7a229bcca5fd4ffe9b9a8a7fd719f9bad7d26643e052654921017f2f8
Manifest05538f6ef874fbe446616d3824f3054169979b61ec3e71f60786fd650d35bda0

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
SignatureD30wSXiLLqCiVbxJPj+y1LEv3hun2qQ+B4gsdBOidQ4w7tlQ6teJpvGNfQs2wzu33fB4UEeB0xIyoOU3kwI6BA==
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

2026-09-17T10:01:04.325692ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081939
observed 760e8cf7a229bcca5fd4ffe9b9a8a7fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:04.309251ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081939/manifest.json
observed 05538f6ef874fbe446616d3824f30541...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:04.291959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081939/publication.md
observed c2c79342babe287d3ccc1cff0a7082b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:04.273890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081939/publication.txt
observed e0760be3b6a6fcae6f5ba575d104d007...
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.