OpenTechnical

OT-2026-000012239

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three stage ejector, pulsed blow-off before 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-2026-000012239) never changes.

Identity and time

Publication numberOT-2026-000012239 · never reused
Internal UUID01a0ae6d-39f5-7f34-adba-779545d38db1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012239
StatusPUBLIC

Content hashes

Canonical textfab3cac55ba1e73f45f34f438b3e762ef82447ad486499350a8043a5c372b27e
Markdown09113d9c36242b07fb740f1d9e741229bb6dd0b8f3b3368162bd9374c7483bb8
PDF
Publication page78269f995e3952380a00413ac6c75ba25a6913bf5d81891cca550d3d19f446e4
Manifest65c20a157caee9ebdf16c6131b736ca92526ef5cb990053a3e5e506b751881e0

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
Signatureug+hWaXs6FAAAcIWtT7hBwv42JAbzi8F2/82SdSixA8COu8mr8dWj+G/vKx9SEe9Rqodo0J8B+kamRElsw8lBA==
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

2026-09-17T12:11:09.932142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012239
observed 78269f995e3952380a00413ac6c75ba2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:09.914215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012239/manifest.json
observed 65c20a157caee9ebdf16c6131b736ca9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:09.896140ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012239/publication.md
observed 09113d9c36242b07fb740f1d9e741229...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:09.877812ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012239/publication.txt
observed fab3cac55ba1e73f45f34f438b3e762e...
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.