OpenTechnical

OT-2026-000045411

Publication integrity record

Foam pad vacuum gripper, three 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-2026-000045411) never changes.

Identity and time

Publication numberOT-2026-000045411 · never reused
Internal UUID01a0ae7c-f76c-7671-bcca-70116f1842a3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045411
StatusPUBLIC

Content hashes

Canonical text36ab73617918287dff36298e6e8f8c7a34d73ffbba7155226586850caac3db17
Markdown85e35e88393a331d6e1288a476cf679422b2fdf4f46280947414d94a68d72e9a
PDF
Publication page9a4502c094f58269c0580db49a429c25bd137bbbeb85b1fccdad75fdbd5602b5
Manifest6501c93a2b1d52c3bc67e5f274c211cea8f803f7cd18d05bd73b179600229ba7

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
SignaturedjWKNpx2Uf5zdt2KeZjxIeML6eh1+QYLharN4QP4XS0BjhCWOvvQmNRBDsQpYEDMVWbC20il54LUgA5t2/iYBQ==
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

2026-09-17T11:10:42.058194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045411
observed 9a4502c094f58269c0580db49a429c25...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:42.040186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045411/manifest.json
observed 6501c93a2b1d52c3bc67e5f274c211ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:42.021158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045411/publication.md
observed 85e35e88393a331d6e1288a476cf6794...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:42.000462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045411/publication.txt
observed 36ab73617918287dff36298e6e8f8c7a...
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.