OpenTechnical

OT-2026-000031775

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, pump fed, 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-2026-000031775) never changes.

Identity and time

Publication numberOT-2026-000031775 · never reused
Internal UUID01a0ae74-bad0-7f6a-80fc-94858428cd7d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:20.739935Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031775
StatusPUBLIC

Content hashes

Canonical text6fb3f2a6806a907d360c64a4e440ba12043f9bacea7231815df24da2a8e46a6b
Markdown8a6d6ae1d1d57bae30ad85926f5af3b7ad8d671d94408030dc345d4436032748
PDF
Publication page8c36ad41d4d71bf54938f668229cc8ac37f3918ac5783d5275dca17702d7ea73
Manifest8f3bb0090f9f9986ae7da9b8b9650459ed223e586dffc3a6e7c97420a09cf7f3

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
SignatureJTHgDMwKE+90Uyp+OStrVoKpAUIjUDH3ALG/FntWi4i6GQHlhg2yyqeDQjsNzFmFnzvZyCwKJ69KqvldQK43BQ==
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

2026-09-17T11:34:54.075639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031775
observed 8c36ad41d4d71bf54938f668229cc8ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:54.057976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031775/manifest.json
observed 8f3bb0090f9f9986ae7da9b8b9650459...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:54.040151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031775/publication.md
observed 8a6d6ae1d1d57bae30ad85926f5af3b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:54.020083ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031775/publication.txt
observed 6fb3f2a6806a907d360c64a4e440ba12...
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.