OpenTechnical

OT-2026-000099240

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, pump fed, manifold pressure sensor, 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-2026-000099240) never changes.

Identity and time

Publication numberOT-2026-000099240 · never reused
Internal UUID01a0aea2-8288-7e3a-80a6-18e3b3781e31 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:20.980080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099240
StatusPUBLIC

Content hashes

Canonical text4d450df553a54f327f95a2933478afcad49432ee1e4add13134a4dd367b2b93f
Markdownd020eff490aaf3d9478688810c51a337565a5834af156b9d440fb6016587a689
PDF
Publication page6a13090ae2dea56cf4939683768d74cf6396e7303ad7c8097ddeaec42760ac68
Manifestfd6959583032b0fe5a3a852e6fc4a1c91314af9e0079d5e116080c3ee115d7fc

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
Signature0pDZ36gGS9wZQvJmer2uo07SYJJDvT8DGfmfbzNYajFhp5rVl5VpQdS8yjgFR5zWuHfsmvgKYSwKKnQPHq2kAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:30:40.665959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099240
observed 6a13090ae2dea56cf4939683768d74cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:40.646916ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099240/manifest.json
observed fd6959583032b0fe5a3a852e6fc4a1c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:40.630433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099240/publication.md
observed d020eff490aaf3d9478688810c51a337...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:40.612981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099240/publication.txt
observed 4d450df553a54f327f95a2933478afca...
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.