OpenTechnical

OT-2026-000049291

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000049291) never changes.

Identity and time

Publication numberOT-2026-000049291 · never reused
Internal UUID01a0ae81-1350-72d2-804a-50193d93cf7c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049291
StatusPUBLIC

Content hashes

Canonical textd48502b7069a1378cdcf60105e168749b737f699f324c3fb5a665a32c63224d2
Markdown5ca70e37d508386617d99aeecbd4758e1cb366783d841f272c16ddf15013a278
PDF
Publication page101ad112fa2e565196bec6c9a18fb464339a186974570ed9251430e87320c2d4
Manifest5f32b6a46b1457a8a7a20bc3c6f3035852f535084731d473d4c411276e023b9a

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
SignatureTCYqswAQufQcRHG+cOdrSecRtrSj8CzN/zbnUXP6NbydQznYIipjZPgkFeo/y/I7iHXoxeLzU4HGnpUGlkEZCw==
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

2026-09-17T11:04:09.133843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049291
observed 101ad112fa2e565196bec6c9a18fb464...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:09.114727ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049291/manifest.json
observed 5f32b6a46b1457a8a7a20bc3c6f30358...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:09.094830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049291/publication.md
observed 5ca70e37d508386617d99aeecbd4758e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:09.075987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049291/publication.txt
observed d48502b7069a1378cdcf60105e168749...
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.