OpenTechnical

OT-2026-000016458

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000016458) never changes.

Identity and time

Publication numberOT-2026-000016458 · never reused
Internal UUID01a0ae6e-2d13-7d2b-b1d0-cdc4d60266e1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:11.237946Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016458
StatusPUBLIC

Content hashes

Canonical text13fa255d3dc78e07e04d1a81d4c80c71ed9b4fa12551b6751bccb2fa1a534472
Markdownff986745606d8422faf1f4659a9a49281fd77c9cb018dac557abf28f1f330afe
PDF
Publication page8f4d4b4daf1194c417b3d6fe8bd441ffb7fba112c2a198dfd1702bf880fd3629
Manifeste6375d270789ea350135ea0a409b0e9727f2db69a5f8092becf071931dd87e2a

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
SignaturehHmV9nyo7KAxv/6QHR/+WIHr9ID0hIHnC78JWvCCNeHD3NDhci9Ic57qjp0GB+V2+tjYJl0kuoVRrGOpb+MMAA==
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

2026-09-17T12:04:39.247899ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016458
observed 8f4d4b4daf1194c417b3d6fe8bd441ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:39.229241ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016458/manifest.json
observed e6375d270789ea350135ea0a409b0e97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:39.210989ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016458/publication.md
observed ff986745606d8422faf1f4659a9a4928...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:39.193367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016458/publication.txt
observed 13fa255d3dc78e07e04d1a81d4c80c71...
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.