OpenTechnical

OT-2026-000026015

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, pulsed blow-off before 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-2026-000026015) never changes.

Identity and time

Publication numberOT-2026-000026015 · never reused
Internal UUID01a0ae71-a83f-7c20-a640-dff0942b31df · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026015
StatusPUBLIC

Content hashes

Canonical text6e876326724faaa7cd1e6e9f80316533a3621d44e25995758a6ca8011a00aeb5
Markdowne7894711c915f15d8311de2908999c80e660fd582e55865064be20b7852c4f47
PDF
Publication page4bb8cbddad0ab6628a62d3390892ecfbe5d1cb63513c7432f4797af2b293a413
Manifest2dc294c3b77986ec7ddc9289f590b8ee2b3dfd039a7e31c21ac9728f49fe4098

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
SignaturegTFAatTz2BJvBMU1WxEiUULQOCoMPHjFbSSB1nWMWSRk/dR2gfzZ/sImDbQsn7231eUmU5bIqy2VOjuG6IPDAg==
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

2026-09-17T11:46:23.796787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026015
observed 4bb8cbddad0ab6628a62d3390892ecfb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:23.779046ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026015/manifest.json
observed 2dc294c3b77986ec7ddc9289f590b8ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:23.761502ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026015/publication.md
observed e7894711c915f15d8311de2908999c80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:23.744239ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026015/publication.txt
observed 6e876326724faaa7cd1e6e9f80316533...
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.