OpenTechnical

OT-2026-000019596

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold pressure sensor, pulsed blow-off before 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-2026-000019596) never changes.

Identity and time

Publication numberOT-2026-000019596 · never reused
Internal UUID01a0ae6e-f394-7557-8b75-dc2915479d91 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019596
StatusPUBLIC

Content hashes

Canonical textd71ddf15f9b94e9dd98595fc00a2810278b0483cc316080b5d705c8559f97ead
Markdownb271d5c599cf4721b08be284d4cddae0dbc5444b49277f385592c57778e304ac
PDF
Publication page6abea0c7619c67ec29776e8639babd3d091fa7df8bffa76cc88744c64ec556c2
Manifestecdbcc2477d56c0baa2e253cde640bdd2ac686bb2fc37e136c5322caa03ebbad

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
Signature07uxxGknePUQ8YHihIb3t7jrEtUv3kKqtq+h+sekamp2sOtme7vkuKWLF7M3H4/KKrqWFGBUf0lAVRWVTEu3Cg==
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

2026-09-17T11:59:02.917841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019596
observed 6abea0c7619c67ec29776e8639babd3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:02.897696ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019596/manifest.json
observed ecdbcc2477d56c0baa2e253cde640bdd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:02.877384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019596/publication.md
observed b271d5c599cf4721b08be284d4cddae0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:02.857856ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019596/publication.txt
observed d71ddf15f9b94e9dd98595fc00a28102...
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.