OpenTechnical

OT-2026-000043800

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, plant vacuum fed, pulsed 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-2026-000043800) never changes.

Identity and time

Publication numberOT-2026-000043800 · never reused
Internal UUID01a0ae7b-d676-7c78-b878-944919bd5bb8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043800
StatusPUBLIC

Content hashes

Canonical text08c16b5d869c6052f057e6f5addf08ccecccd6ded517c9964cbb6f7ea9b4d8d0
Markdowna74f4ba9f2b2dbf54eaae0f8181bff8360bef8a1b8c2fd7c07ca8d31505692ca
PDF
Publication pagef4e55b14a74519831f107a11b0140a74c56fd52470c143b743a52fa19d022967
Manifestfa040b1a8045da029dd4628072b527246016d3f09155163a9d5b56f58546ca6b

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
SignaturepCdTvEaheTt164d1ruJ0+7esupchWkKbKPZwlJmUfaMOBd9nQ/PUhA6tNha8nvWSs+iiGYtgcbmJM4SI+RyGCQ==
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

2026-09-17T11:12:06.103236ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043800
observed f4e55b14a74519831f107a11b0140a74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:06.083600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043800/manifest.json
observed fa040b1a8045da029dd4628072b52724...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:06.048220ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043800/publication.md
observed a74f4ba9f2b2dbf54eaae0f8181bff83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:06.029942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043800/publication.txt
observed 08c16b5d869c6052f057e6f5addf08cc...
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.