OpenTechnical

OT-2026-000041476

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, pulsed blow-off after 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-2026-000041476) never changes.

Identity and time

Publication numberOT-2026-000041476 · never reused
Internal UUID01a0ae79-b145-7ed0-9b5c-239db97d72af · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041476
StatusPUBLIC

Content hashes

Canonical text91615f7f56dc01d6c149163283ef722df85db594b7f950e507d124b72b00e1a5
Markdown198d1c5cbb6b12a5e4f5e95d6d3ec1d9431cadf1fd0032f910c06a571b10b76f
PDF
Publication pageacedc65971d64e90d7f396a06844e09e9256a96d6dd58bda1cd732d11d756f42
Manifest4c15c4c2da608d069293872073702f0c14efde5c961d886e3a0d3d8f9946c4a3

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
Signature48hnzbjrNnns1LtpjKguX7qrDtPO4I5OYiD/Fi5CSSuWg+SZk17G1FEK7qPpBO8hJNp8lJdBJedaqWw/ZKa+Aw==
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

2026-09-17T11:17:30.425532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041476
observed acedc65971d64e90d7f396a06844e09e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:30.409348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041476/manifest.json
observed 4c15c4c2da608d069293872073702f0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:30.391617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041476/publication.md
observed 198d1c5cbb6b12a5e4f5e95d6d3ec1d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:30.373967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041476/publication.txt
observed 91615f7f56dc01d6c149163283ef722d...
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.