OpenTechnical

OT-2026-000059861

Publication integrity record

Three cup vacuum gripper, three outlet manifold, pump fed, vented 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-2026-000059861) never changes.

Identity and time

Publication numberOT-2026-000059861 · never reused
Internal UUID01a0ae89-ec26-7cf3-b893-544f42cd7f08 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:29.732559Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059861
StatusPUBLIC

Content hashes

Canonical textc2cd04cbf7d29d86a1d01f0fc171e212adecbba67014652a909674616316c05b
Markdown7da68e7e9de59f503de105912955c8bf6275a07707fcc7160ca5a83d60fb8def
PDF
Publication page8d0aa55daddc723c82906f223b75e18aeb25a55b807b2cb72d8767593513b4dc
Manifest2d8df5b07b8aa093ed98c95780327fd0fd615687f5c45a6bca841f3279dad180

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
SignatureqfzNDVnLXpV0+z9dJNCKQtjA43rlqucXvenv2QV87xFG5ERWQ5TN45D9vL0T3lwBOyactQfCE6J7SwKhUJPxAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:44:36.876401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059861
observed 8d0aa55daddc723c82906f223b75e18a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:36.859242ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059861/manifest.json
observed 2d8df5b07b8aa093ed98c95780327fd0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:36.842484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059861/publication.md
observed 7da68e7e9de59f503de105912955c8bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:36.823209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059861/publication.txt
observed c2cd04cbf7d29d86a1d01f0fc171e212...
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.