OpenTechnical

OT-2026-000013134

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, plant vacuum fed, pulsed 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-2026-000013134) never changes.

Identity and time

Publication numberOT-2026-000013134 · never reused
Internal UUID01a0ae6d-6fc8-7bb0-98b7-1b26ccfc1adf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013134
StatusPUBLIC

Content hashes

Canonical text33eaf117e6584cc525b3ef2514fa0cdebd272f647431cbb7a3dfb60cc98678e7
Markdown111eaa48629fb43e30243d0317804234dd18bf9129352df7223ac505bbf50d09
PDF
Publication page2f856d9a519a71250b1faaef478ac42b7d704c8562e744bd9463089becb68074
Manifest9aeaa4e4c79a9803f44f1e4f773aec0a81eaf5dc9a0f1f13a5164da72cb1a95c

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
SignaturebEMUbjLZOs4vG+EuJD/r1L+VoOGwvgparwaQspGKzTcUiOMY+eqS2ez7A4kd/vxX2JBafeTcOf+FJN3DsnYZCQ==
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

2026-09-17T12:09:25.600474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013134
observed 2f856d9a519a71250b1faaef478ac42b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:25.580686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013134/manifest.json
observed 9aeaa4e4c79a9803f44f1e4f773aec0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:25.559974ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013134/publication.md
observed 111eaa48629fb43e30243d0317804234...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:25.540529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013134/publication.txt
observed 33eaf117e6584cc525b3ef2514fa0cde...
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.