OpenTechnical

OT-2026-000045783

Publication integrity record

Four bellows cup vacuum gripper, four zone face, single stage ejector, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000045783) never changes.

Identity and time

Publication numberOT-2026-000045783 · never reused
Internal UUID01a0ae7d-8f05-7820-b587-2d9e4b319859 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045783
StatusPUBLIC

Content hashes

Canonical text4cc430ca1799321de7383ac40ea53b9283c05f8c6bcc000e3a685451345f7363
Markdownf7fd96a5052f277417c318c57b8dde81838232db54a13ceb0f5e24b0f43f18b7
PDF
Publication pagebb52b6a24ada115fbd1d808ce8860f4192892cb382e7a9004a4d78552a2cf5cf
Manifeste2e1e665dc55141ec0e958831792f96d6f1f3974fb32368f4b5c745beeecface

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
SignatureHZOd2YYgyo7qCxQAmZXZqDeEHTetoKyX0SqbYhyPubYxH105QNLgHLPYW2L6tNg4uvBOTMJm9js/bnpgoPVBDw==
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

2026-09-17T11:09:38.656853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045783
observed bb52b6a24ada115fbd1d808ce8860f41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:38.636457ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045783/manifest.json
observed e2e1e665dc55141ec0e958831792f96d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:38.615978ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045783/publication.md
observed f7fd96a5052f277417c318c57b8dde81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:38.594083ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045783/publication.txt
observed 4cc430ca1799321de7383ac40ea53b92...
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.