OpenTechnical

OT-2026-000015591

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, plant vacuum 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-2026-000015591) never changes.

Identity and time

Publication numberOT-2026-000015591 · never reused
Internal UUID01a0ae6d-ef4c-794b-81c2-dde306a733d1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015591
StatusPUBLIC

Content hashes

Canonical text24db8be33b1c5ea2c33b48603d5bb46dafd83a9ea771c6fc66b0d94ee3c0832c
Markdownd0de3742b2020e71166ca47f91cfac966cfcd6d56abd53a26a0604569d84a371
PDF
Publication pagecb0648451006866849a8d7cc2a93be3d778d0416b4a1d01148c4a98a2bb13112
Manifest13019fb9682b8342ab7a7f2018b2f54c0d397122d56acd024e12d862964ad4ab

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
SignaturezUvQmKAadln1ao7cVnvr0TZALBkLoNy8Y/OCKlk/+b6dufJl2jLUZF+80g3bbeIKQEOmeR6Zwv4EdXVV4cVYCA==
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

2026-09-17T12:06:23.430310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015591
observed cb0648451006866849a8d7cc2a93be3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:23.410574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015591/manifest.json
observed 13019fb9682b8342ab7a7f2018b2f54c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:23.392330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015591/publication.md
observed d0de3742b2020e71166ca47f91cfac96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:23.372071ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015591/publication.txt
observed 24db8be33b1c5ea2c33b48603d5bb46d...
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.