OpenTechnical

OT-2026-000043240

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, pulsed blow-off after 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-2026-000043240) never changes.

Identity and time

Publication numberOT-2026-000043240 · never reused
Internal UUID01a0ae7b-327c-7bb3-b78d-09d60e799b92 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043240
StatusPUBLIC

Content hashes

Canonical text422bdf47e81e9c4f4fdcd268230568c67296247592f3f280f94030f5daeaaf57
Markdown5c5c31aee0d68777c50ad3e3b0953b71cb33bdd61de8627a7d027fd940c79593
PDF
Publication page2917072b5294f3a391accfaaf472b1a6a463563bb011d4c81c9b9dbd35065961
Manifest36fe4ad1d56119a7362045d8f17e33cd5f10032bfaa7ae44ffb6a69f3ddb8ed4

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
SignaturezK3/sVDx1E3Q8jXjQ6zpFWSabkFtbY3M1DS2bruuVyR+bmObjQ0canSl5zSvUFb6gZcmBnWJLVRBuQfkU/ioCg==
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

2026-09-17T11:13:42.892299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043240
observed 2917072b5294f3a391accfaaf472b1a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:42.873637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043240/manifest.json
observed 36fe4ad1d56119a7362045d8f17e33cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:42.850630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043240/publication.md
observed 5c5c31aee0d68777c50ad3e3b0953b71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:42.831166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043240/publication.txt
observed 422bdf47e81e9c4f4fdcd268230568c6...
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.