OpenTechnical

OT-2026-000048911

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, three 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-2026-000048911) never changes.

Identity and time

Publication numberOT-2026-000048911 · never reused
Internal UUID01a0ae81-134b-72e3-8ad1-0a774951b84f · 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-2026-000048911
StatusPUBLIC

Content hashes

Canonical text9adee9c7dfa8e5774f5e5d476d5cd60d12d5d6ffdf787879cd93386d473b3769
Markdownecd7403ac2b4139b6f3583993c5076c2ae2f8dbfb6c4f45d56540cb22efea9a9
PDF
Publication page781d6cbd4ff29270e5f2bc089bb773d43595018a581db2151b6c01bf32d87d6f
Manifestd63f68063713548c45a887936b3bb8e4db16cf4a3cf5195fa0f2296698e8e003

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
Signature73ovIrZplxJNHnsEmfLzLUJVdyfIgTaBaR9u0I3SLO3wZfCeLgOoKSe5EieZt1D538JhMcDmOSV7AwYadszsBQ==
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

2026-09-17T11:03:05.042723ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048911
observed 781d6cbd4ff29270e5f2bc089bb773d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:05.025481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048911/manifest.json
observed d63f68063713548c45a887936b3bb8e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:05.008381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048911/publication.md
observed ecd7403ac2b4139b6f3583993c5076c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:04.988519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048911/publication.txt
observed 9adee9c7dfa8e5774f5e5d476d5cd60d...
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.