OpenTechnical

OT-2026-000100639

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, pressure sensor per zone, sustained 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-2026-000100639) never changes.

Identity and time

Publication numberOT-2026-000100639 · never reused
Internal UUID01a0aea3-66f3-73d7-9dab-30acf98c9997 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100639
StatusPUBLIC

Content hashes

Canonical text2fba2ee9a3c40a196b66f13ca82a9862163d9abaef47c2a0f00067108dde6098
Markdown1b17141b2963831372fa89cd203797a61f594b66f15130258f3c557a407b2d7b
PDF
Publication page478027570bd9c7163db3bdc926e06633a2e56644e19d954c0068e932fa85059d
Manifest90c1742831c7a266e96adfa7520aaea80101c099ff3f072db9e074c7c5d78e61

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
SignatureJP17tE58lR/8b/spNhujSZ+IkVTivrqIQ+GSr7Wb/7HMQO3Btmi088bpLJLm4OE6lDhoPAy/m+bkoEuvnNZLDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:27:26.484331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100639
observed 478027570bd9c7163db3bdc926e06633...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:26.467566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100639/manifest.json
observed 90c1742831c7a266e96adfa7520aaea8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:26.451142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100639/publication.md
observed 1b17141b2963831372fa89cd203797a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:26.431423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100639/publication.txt
observed 2fba2ee9a3c40a196b66f13ca82a9862...
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.