OpenTechnical

OT-2026-000043930

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, pump fed, sustained 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-2026-000043930) never changes.

Identity and time

Publication numberOT-2026-000043930 · never reused
Internal UUID01a0ae7b-d678-7dc8-8d7d-4ccea16478a4 · 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-2026-000043930
StatusPUBLIC

Content hashes

Canonical text4eaaed5bc2b47f8b38908ab70d3406cd74801bc82b0bfe3f34f468b82c5d3a7a
Markdowne51ab6a0e8c8cded9de274649138efa1b5914ec0ac9ab2e972d0f2cddcf225bb
PDF
Publication pagee9d30810f7f17464d6e87286db0da5a4d582bedbb2db4d2ab9f57435623274a1
Manifest03f310cdb5bb14190af2fb0c49eeb6cc500e130ebdc6a3e45705e98d79736af2

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
SignaturewPfU/5vorVJtFGsPSF1FDjOuc5Gz9Er7b9I5pGNa4MWBUUUv1IXg4xv/qOD++DMOx3U48J/Wr+Zx8jeezT1qDw==
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

2026-09-17T11:12:16.683996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043930
observed e9d30810f7f17464d6e87286db0da5a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:16.666683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043930/manifest.json
observed 03f310cdb5bb14190af2fb0c49eeb6cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:16.647091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043930/publication.md
observed e51ab6a0e8c8cded9de274649138efa1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:16.626087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043930/publication.txt
observed 4eaaed5bc2b47f8b38908ab70d3406cd...
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.