OpenTechnical

OT-2026-000069933

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, two stage ejector, 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-2026-000069933) never changes.

Identity and time

Publication numberOT-2026-000069933 · never reused
Internal UUID01a0ae91-1860-7176-9cbb-a019d383ac10 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069933
StatusPUBLIC

Content hashes

Canonical text58a46fe9d8b3f39ed7d8d074f23c3133e6b82130cffb90033ca9139d40b45a3e
Markdownc2cc862f7a31c939d2d3c8d3949aa0628723b49f166285bb151520ace4055213
PDF
Publication page251b53776b02f6b23ad8e7f51d8d75f547e3d4d1e9f691c9271a61759aab4f61
Manifest25709cb16a390f8ef4ee05a943133d0afd3f9308902170ae2412d2a1ee5ad633

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
SignatureaydCkcu9+TomkB48tZGK4Co+1knxB/5S83HGpOnGLAYTsE4+Ci+Q1Z60gM/ySk2alSJOEYV7RxwY9ZgvvD3yCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:26:52.322672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069933
observed 251b53776b02f6b23ad8e7f51d8d75f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:52.303818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069933/manifest.json
observed 25709cb16a390f8ef4ee05a943133d0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:52.287513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069933/publication.md
observed c2cc862f7a31c939d2d3c8d3949aa062...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:52.270057ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069933/publication.txt
observed 58a46fe9d8b3f39ed7d8d074f23c3133...
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.