OpenTechnical

OT-2026-000063671

Publication integrity record

Two bellows cup vacuum gripper, two 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-2026-000063671) never changes.

Identity and time

Publication numberOT-2026-000063671 · never reused
Internal UUID01a0ae8c-f946-723c-89b3-dc218393bdba · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:49.602795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063671
StatusPUBLIC

Content hashes

Canonical text636bc6d06a485da83fc804e5374aa1030187edea336b804991dd7fab984779c0
Markdownaaff8fd40e9505eff3d36abbd3bb6a18dee7d4d90bb8c97efe95808de4faa966
PDF
Publication page6334e4ba6a94c65f8c4bef373c9733a244b3453f0a4ba0bab4e13f329c86f217
Manifestbede7af05a4cda0f6c72acf907eb720221308325e35a5009d13e689849046308

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
SignatureghvfafXs8YFlfpFvd6NiRJ3CPlq4kVrZQ4Z6TZ1hqjU+OJslmBbUJ7sHEwCm3CJl431nXG+T5IZsw1r7v6ImCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:37:47.083232ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063671
observed 6334e4ba6a94c65f8c4bef373c9733a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:47.004169ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063671/manifest.json
observed bede7af05a4cda0f6c72acf907eb7202...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:46.987329ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063671/publication.md
observed aaff8fd40e9505eff3d36abbd3bb6a18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:46.970258ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063671/publication.txt
observed 636bc6d06a485da83fc804e5374aa103...
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.