OpenTechnical

OT-2026-000043440

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, 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-2026-000043440) never changes.

Identity and time

Publication numberOT-2026-000043440 · never reused
Internal UUID01a0ae7b-327f-7941-877c-e2ce5197af7c · 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-2026-000043440
StatusPUBLIC

Content hashes

Canonical text8697a211cc0d97b5216fede8dc508caae872d10b865c301ede894c633ea4e343
Markdownaa10244201c429c52893268916c56ad972210cf49f8f0fc1ad87f028279bd980
PDF
Publication pageff205615b5a68039ca65a98bb09de7a9464e385c2423b8763e4fd35c89ca62f6
Manifestda1b0a618bc1464ea3113507b133ca7297e9359478a3f99dce0b5af90a708851

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
Signature8bWEp/vmidzbYpHi8fWFoKGybQXj3V/vFZI0hIOE6WZ65HUviy1OMvApz7Dkrzsngs5SgMvDygXJeq9efn3CAg==
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

2026-09-17T11:13:59.318220ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043440
observed ff205615b5a68039ca65a98bb09de7a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:59.299866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043440/manifest.json
observed da1b0a618bc1464ea3113507b133ca72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:59.279757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043440/publication.md
observed aa10244201c429c52893268916c56ad9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:59.259034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043440/publication.txt
observed 8697a211cc0d97b5216fede8dc508caa...
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.