OpenTechnical

OT-2026-000028698

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, three stage ejector, manifold pressure sensor, sustained 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-2026-000028698) never changes.

Identity and time

Publication numberOT-2026-000028698 · never reused
Internal UUID01a0ae72-e2f9-7863-922f-88295ce72aa4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:19.949572Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000028698
StatusPUBLIC

Content hashes

Canonical text941c7fbe43bd0e0a62fde26dc71677c7d46082e782778af01247bfa5d9dccd37
Markdown65118eefc565ccd57ab2fae11c3a4f70483642f1c12925946e87408847c55210
PDF
Publication page0770be773cd1b474a80eaa4c4bb3c9873fc0ad867634f8b859e5eb09289c6042
Manifest8a57ca81158b12e1e94be0fcf7e6e8196579e2bb7d9d22b0d1a9401186734d89

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
SignatureCUHYfy+wOPluDSH9jEu3yDF9GKNguivy50oP+FK9tFKnxnbUp+latDICnteehFm0qXM+bHmDIr312rBBp5YRCA==
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

2026-09-17T11:41:41.708419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028698
observed 0770be773cd1b474a80eaa4c4bb3c987...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:41.682401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028698/manifest.json
observed 8a57ca81158b12e1e94be0fcf7e6e819...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:41.657741ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028698/publication.md
observed 65118eefc565ccd57ab2fae11c3a4f70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:41.632831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028698/publication.txt
observed 941c7fbe43bd0e0a62fde26dc71677c7...
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.