OpenTechnical

OT-2026-000047784

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, 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-2026-000047784) never changes.

Identity and time

Publication numberOT-2026-000047784 · never reused
Internal UUID01a0ae7f-c420-75a0-a7af-441d43601d33 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047784
StatusPUBLIC

Content hashes

Canonical text8d91c232f5bd6725d5273c94de324e742afc277d730efa401c5d05693534433a
Markdown027b79a3b2d54c151ce72f96c678340f3501f41aef225fe1782794df7ea7457e
PDF
Publication pagecea1777876d7bb3d22fa34fa2fc3a0396588a5daefcd06266990202c83c3c263
Manifest75427e1f1ab1d98cc385dd5be36ef6ade063a6df730b9c18a7844acf110f5235

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
Signature7pDumKwILHJ/b8g737DyNCvbe0Zuy40nTikmkHrHGXAt0meas8wCWvxh3fddYbB23Hx3Brhb8azQ+imfPiJGBQ==
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

2026-09-17T11:05:40.800078ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047784
observed cea1777876d7bb3d22fa34fa2fc3a039...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:40.782023ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047784/manifest.json
observed 75427e1f1ab1d98cc385dd5be36ef6ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:40.763629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047784/publication.md
observed 027b79a3b2d54c151ce72f96c678340f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:40.746996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047784/publication.txt
observed 8d91c232f5bd6725d5273c94de324e74...
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.