OpenTechnical

OT-2026-000005942

Publication integrity record

Vacuum cup gripper, common isolation valve, six outlet manifold, pump fed, vented 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-2026-000005942) never changes.

Identity and time

Publication numberOT-2026-000005942 · never reused
Internal UUID01a0a949-f3c3-755f-873d-d2d925d8768b · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:16:31.173892Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005942
StatusPUBLIC

Content hashes

Canonical text1d6906e7517077a2f74d79cd60f82a6b9709a19bfa07750f10cda7243b782095
Markdown3bc58ec191ba19171baeb8ac35fbc35aaf33709c86c0f343551bb52b648d5654
PDF
Publication pagea5364e6ee8fc593c4c7652143eb082b511ada33a02ee10ce9b12b8dc97784417
Manifeste65471e34ae7210642070d29c1b30e752b8afbe186f52e16ec8388dc50119c5a

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
SignaturePnw2bMcHXTbjzRrkdBN+vsl1TSku+056aQkJ8WNsC6CFCoFXHV0tEjjBwPX5LOeiwkGpchcCwoCdaHgwDvq1CA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:20:14.708645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005942
observed a5364e6ee8fc593c4c7652143eb082b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:14.692594ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005942/manifest.json
observed e65471e34ae7210642070d29c1b30e75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:14.675076ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005942/publication.md
observed 3bc58ec191ba19171baeb8ac35fbc35a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:14.659596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005942/publication.txt
observed 1d6906e7517077a2f74d79cd60f82a6b...
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.