OpenTechnical

OT-2026-000033559

Publication integrity record

Foam pad vacuum gripper, four zone face, six 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-2026-000033559) never changes.

Identity and time

Publication numberOT-2026-000033559 · never reused
Internal UUID01a0ae75-a38e-74eb-b047-c0ade771ee26 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033559
StatusPUBLIC

Content hashes

Canonical text8ad962ed315797cd9e244038ac163fa7954b64ebcaebc7d0af48422eba994a5f
Markdownbf089554c1f7d242f2f1f8c04d69d9bb07e4b880a4882648b0d5c6e57da4a8b6
PDF
Publication page0f8cc5676337cd0635eef70e1ac3f6561ad60086a1f588e95ef6c98fb1d0392f
Manifestf3683cbc82cd0eedd8e47f6457840b51e22fed70348b08f88e36a01c5f96236f

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
SignaturerCH45ktEhIoGpuWy7l9e/axHPmDcpfBGydZQG0ESHOkmdHXAjgVysyfiGvZ1z8G2rxAGcYVuTWyR2Rc+KdEYCQ==
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

2026-09-17T11:31:25.590211ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033559
observed 0f8cc5676337cd0635eef70e1ac3f656...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:25.572386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033559/manifest.json
observed f3683cbc82cd0eedd8e47f6457840b51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:25.554584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033559/publication.md
observed bf089554c1f7d242f2f1f8c04d69d9bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:25.535895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033559/publication.txt
observed 8ad962ed315797cd9e244038ac163fa7...
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.