OpenTechnical

OT-2026-000026440

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, 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-2026-000026440) never changes.

Identity and time

Publication numberOT-2026-000026440 · never reused
Internal UUID01a0ae71-f4a8-70ef-8409-b00747592308 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026440
StatusPUBLIC

Content hashes

Canonical text649cb4434fb888abd950231efbd81f9b0e549dc5aebfca3d859bf4d77eccd97e
Markdown130365462248c9750673cac6ed3de9f5ae48fff7bbe4f7246026cf127942bd6e
PDF
Publication pagef43e47041308b2462df5447f7bb3a288b3f2b1c7252eb46f66a02d7fe0241664
Manifestaeb8f4465796a879d3994f9f7a660a24e3a86f382f41ed290ba8e3beda9173e4

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
SignaturePDvsFmIbzDBDWEqucbtSaZ9q3oHMiu9G+MiKNJ0+HKcPF9zbLk8z56QlGrvTO/yqJ3FwBuXiMgoopZ7fKFfACA==
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

2026-09-17T11:44:26.152740ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026440
observed f43e47041308b2462df5447f7bb3a288...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:26.135487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026440/manifest.json
observed aeb8f4465796a879d3994f9f7a660a24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:26.116657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026440/publication.md
observed 130365462248c9750673cac6ed3de9f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:26.100042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026440/publication.txt
observed 649cb4434fb888abd950231efbd81f9b...
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.