OpenTechnical

OT-2026-000031294

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, two stage ejector, pulsed blow-off 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-2026-000031294) never changes.

Identity and time

Publication numberOT-2026-000031294 · never reused
Internal UUID01a0ae74-87ac-7ed1-a67a-9db9547b6190 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031294
StatusPUBLIC

Content hashes

Canonical text4e2ec5aa17b76621c98d3aa8052d645d5db88c016a312eec827ee35217be9b87
Markdown747c3f1da4af0b1863c4fc778d19ab0d4bcbee15453ddb81d6d7b1a86002b395
PDF
Publication page84f92ed8a770aeefb81216e06033833a3be952428f70c523af546e22f3774653
Manifest8981792b5250f7d3167767db494ccc93dc440fe0b3a949340b06b9b8ac316dd9

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
SignaturexmtJBqkdcTTLGoD1dIWo5rYvykj2GRxIntorVGXhLjjOQkZqRpOGnKeI8M7IZncACap9QKaYzLoCnWqPZ25gDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:35:52.838298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031294
observed 84f92ed8a770aeefb81216e06033833a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:52.819718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031294/manifest.json
observed 8981792b5250f7d3167767db494ccc93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:52.801765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031294/publication.md
observed 747c3f1da4af0b1863c4fc778d19ab0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:52.781430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031294/publication.txt
observed 4e2ec5aa17b76621c98d3aa8052d645d...
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.