OpenTechnical

OT-2026-000045255

Publication integrity record

Foam pad vacuum gripper, two zone face, plant vacuum fed, pressure sensor per zone, 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-2026-000045255) never changes.

Identity and time

Publication numberOT-2026-000045255 · never reused
Internal UUID01a0ae7c-f76a-79a1-b940-9155e6d1dc92 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045255
StatusPUBLIC

Content hashes

Canonical text9db28cfd46455510daae5216fc7a09c3b6759793229e1aa58e03a4b9d345af10
Markdown472ff58dec3e60a8edb70c17628ac462e967c42c3b4fefb6219da13ee452f5af
PDF
Publication paged63bb245dce74d0a17ada7d2629c3df1e8f76372ce1dff9d17c37e0c5be9661e
Manifest866b96e5a1883485e2f0f21028e7890844a8ade57704e783c629d093fb5869fa

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
SignatureqNYXqMmX5CLjxH8zTDyGSp7WlQPcYam8TVIsGSDAo081JSfi+s3d73kt7Bv2YmoCEYrkiemkyIWQB8L4Mh4VBQ==
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

2026-09-17T11:10:27.648908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045255
observed d63bb245dce74d0a17ada7d2629c3df1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:27.627870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045255/manifest.json
observed 866b96e5a1883485e2f0f21028e78908...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:27.608231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045255/publication.md
observed 472ff58dec3e60a8edb70c17628ac462...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:27.587230ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045255/publication.txt
observed 9db28cfd46455510daae5216fc7a09c3...
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.