OpenTechnical

OT-2026-000023091

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, pulsed blow-off before set-down, on a tool changer

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-2026-000023091) never changes.

Identity and time

Publication numberOT-2026-000023091 · never reused
Internal UUID01a0ae70-46ed-7b3d-9152-c03e22618586 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023091
StatusPUBLIC

Content hashes

Canonical text0dfca3366ca05fc1333bac93408e30195e87f566d8090923ec4698b742b44093
Markdowna943fbf38572c3322fd686a1284b88ea99fb05fe39adcfe4fc592078d0237be4
PDF
Publication page6b69882694d12caa6e31c26c5540d06665756ba687a5bc1965e1bdedaf7e4411
Manifest01fb032acf4a9e8e19890f9ad06ee42b01c3467a1820bc996f0951cf4c3e1c97

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
Signature5iFn4+HK/V+BFpBfcKdAfKBWJv6zGixRNbM9zs4p332XVnpXoZ+RJq05OH80w3k3HFZO55D+h2fK4qtFYINEBQ==
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

2026-09-17T11:52:43.406819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023091
observed 6b69882694d12caa6e31c26c5540d066...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:43.388511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023091/manifest.json
observed 01fb032acf4a9e8e19890f9ad06ee42b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:43.372205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023091/publication.md
observed a943fbf38572c3322fd686a1284b88ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:43.354656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023091/publication.txt
observed 0dfca3366ca05fc1333bac93408e3019...
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.