OpenTechnical

OT-2026-000025891

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, single stage ejector, 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-2026-000025891) never changes.

Identity and time

Publication numberOT-2026-000025891 · never reused
Internal UUID01a0ae71-a83e-7480-a31e-483620c50a1f · 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-2026-000025891
StatusPUBLIC

Content hashes

Canonical text8eeb8e98469c69eba8e7bc68cfe18f194f6861ef2d3ae162f43593c0c9df7bcf
Markdown399d376d5c6922e0e97b0cb1a9b4c37a0617ac706b77be362059e241998f9ccc
PDF
Publication page64bc755df4239a30e7df09100b08750e5f4fd58fca0d40f967e1b95a84926fe2
Manifestc48637bf5f3bc1034146abb5a99dcb69e8da5545b7738d4719e72c6453264692

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
SignatureFdLp4XSOCItYiwVyD40+0UjAaEJVmCqCJT1PkWVIomO1wE9axNRMzfSl1W/MhNBmPb6UNxgJGQKQ+nJclJpmDA==
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

2026-09-17T11:46:13.999484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025891
observed 64bc755df4239a30e7df09100b08750e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:13.983102ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025891/manifest.json
observed c48637bf5f3bc1034146abb5a99dcb69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:13.965634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025891/publication.md
observed 399d376d5c6922e0e97b0cb1a9b4c37a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:13.945752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025891/publication.txt
observed 8eeb8e98469c69eba8e7bc68cfe18f19...
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.