OpenTechnical

OT-2026-000040654

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold pressure sensor, 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-2026-000040654) never changes.

Identity and time

Publication numberOT-2026-000040654 · never reused
Internal UUID01a0ae79-6d0e-70be-abb8-3f3d9ed36e81 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:28.516236Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040654
StatusPUBLIC

Content hashes

Canonical textc010c749e43f0cfc541c0f2581f53aae8ab6a433f17932614f40745dc72cd814
Markdown104f14dc8a769271594e8c690701f1ae5ff4937fc9c03a72c0fdb5a64a93c2aa
PDF
Publication page4e100c5005befddf5e1eaaec804c8fe3b56d5f446b31b9ce35ac54be895521cb
Manifest1d8ce6cfbb1d3af225a43d0a08842fac3e831582d7da6622057d2f4a9fe427e3

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
Signatureh1grYqDIe1jc9vAd8N3vq7GL+fX3/hSz8bYj3u+XS464oSs7SyPc8gPERkfACQ84K2X5hJx8fqrDEfQ1Vuy8AQ==
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

2026-09-17T11:17:50.532141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040654
observed 4e100c5005befddf5e1eaaec804c8fe3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:50.513528ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040654/manifest.json
observed 1d8ce6cfbb1d3af225a43d0a08842fac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:50.495090ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040654/publication.md
observed 104f14dc8a769271594e8c690701f1ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:50.476759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040654/publication.txt
observed c010c749e43f0cfc541c0f2581f53aae...
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.