OpenTechnical

OT-2026-000039271

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, two stage ejector, supply line 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-2026-000039271) never changes.

Identity and time

Publication numberOT-2026-000039271 · never reused
Internal UUID01a0ae78-9674-7416-91b2-a89e87c78ba9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:33.573712Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039271
StatusPUBLIC

Content hashes

Canonical text24384d0dedca5b907ee8275e292239c91095bfdc25242e3354d1a22572640a4c
Markdown104d4fec6498e16b8e077813bea44ed4ce6a83be79e0796c52e2708cd491ea50
PDF
Publication page48073ccbcfea24466e44380654ca94390dfda226767fc1164def74a45e7d4957
Manifesta7e6b8186b6e8a616d909cb0aa560bd864dc0d16abf2e53e9e5e2e70a4ee2b0c

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
SignatureTYqxc2FMUt4YxXFEkb5PSJ7tpAEA9kCTyjB03kiUOoINmqZeuT8CyUCl/QmmgvBwtyH+MKl4d1TwvgndxLaFBA==
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

2026-09-17T11:20:50.340281ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039271
observed 48073ccbcfea24466e44380654ca9439...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:50.321396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039271/manifest.json
observed a7e6b8186b6e8a616d909cb0aa560bd8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:50.303502ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039271/publication.md
observed 104d4fec6498e16b8e077813bea44ed4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:50.287225ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039271/publication.txt
observed 24384d0dedca5b907ee8275e292239c9...
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.