OpenTechnical

OT-2026-000043450

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, plant vacuum fed, sustained blow-off after 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-2026-000043450) never changes.

Identity and time

Publication numberOT-2026-000043450 · never reused
Internal UUID01a0ae7b-327f-72f0-a02f-d4ff97c0f750 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043450
StatusPUBLIC

Content hashes

Canonical textf5ef3e124b2dbe846d69c51fb8d26f517ba9d549b4b0ac9009ee7f0ec5da7475
Markdown1487550b9a966c0ccf469276dc014460c0c01b296d0d74a769ac81051e039285
PDF
Publication page11892a2183471c98e554a8effd3c3f93817cc886607f8542a8da18af25bb8556
Manifest04fb07699a3241388c2263244fb0dc2dc9cad3bc7ec42307386b2a67a753c457

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
SignatureEXZtlRwuwRXu3GeOoZfmVD41HF1H7Sdjh3rzB+iZ6KsBtNNKRvEyqdS+3B6+YOlD7a4k14GtXj3lnE/8aOXKDQ==
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

2026-09-17T11:14:00.110568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043450
observed 11892a2183471c98e554a8effd3c3f93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:00.092427ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043450/manifest.json
observed 04fb07699a3241388c2263244fb0dc2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:00.074026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043450/publication.md
observed 1487550b9a966c0ccf469276dc014460...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:00.054514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043450/publication.txt
observed f5ef3e124b2dbe846d69c51fb8d26f51...
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.