OpenTechnical

OT-2026-000043888

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, 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-2026-000043888) never changes.

Identity and time

Publication numberOT-2026-000043888 · never reused
Internal UUID01a0ae7b-d677-712d-a169-e259dc104439 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043888
StatusPUBLIC

Content hashes

Canonical textbee61c212473a51dbb2a1676716a3daa91d2b43583044fac716c0e2ac7f41a5b
Markdown92d63c2f00850d1ea13ebda2c46fa38bc5a2a23d50e86dd0b351d944dd1a2469
PDF
Publication page12b852a3b56ce34adfef0abe3b3f50914c5e9d7e64b62205b26b508ff685eec5
Manifestae2a5c66dd2660b6d2afcf929e0f71ff69e7b785fec31b43e7d0dddfe3f9aa7c

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
SignaturekQ54YE5jqUkPtaNv6adITvxh4LxBb6ZfvWB0xEbUj3Gas93DGCuiiWXCKH9bKMTxxOQVKHZwVOSDkB1aqqBfAA==
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

2026-09-17T11:12:13.235649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043888
observed 12b852a3b56ce34adfef0abe3b3f5091...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:13.215650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043888/manifest.json
observed ae2a5c66dd2660b6d2afcf929e0f71ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:13.196914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043888/publication.md
observed 92d63c2f00850d1ea13ebda2c46fa38b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:13.176350ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043888/publication.txt
observed bee61c212473a51dbb2a1676716a3daa...
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.