OpenTechnical

OT-2026-000040631

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000040631) never changes.

Identity and time

Publication numberOT-2026-000040631 · never reused
Internal UUID01a0ae79-6d0e-75e5-8cef-fc08c9cc1a3d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:28.516236Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040631
StatusPUBLIC

Content hashes

Canonical text52fb9d215e4c1a3e7b0bdf57311f4be7d40a0a5067792731bdcafe4e40857230
Markdown89887aa7f56d94ea7197ae04bdebd812fc2584a4eeea0bf4ec2390de6719e5f0
PDF
Publication page8d8377b8fd918e0e601f11b644572bb18ec67d18f613b7cefd7b2aed7dceb9b7
Manifest4ce5c94311ad73ef574adce687b5c18c37638913fa7b9084fbf134b2752a7a38

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
Signature40+FlxHyTeUVYbTOG52YZtFiS+FAma9DQA1YCENUzCtIJzadJq1x77yj+GotJRUuqk2U8ap5qHaPIGXUjcSBAA==
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

2026-09-17T11:17:48.790969ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040631
observed 8d8377b8fd918e0e601f11b644572bb1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:48.772925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040631/manifest.json
observed 4ce5c94311ad73ef574adce687b5c18c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:48.728940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040631/publication.md
observed 89887aa7f56d94ea7197ae04bdebd812...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:48.683179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040631/publication.txt
observed 52fb9d215e4c1a3e7b0bdf57311f4be7...
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.