OpenTechnical

OT-2026-000007089

Publication integrity record

Vacuum cup gripper, two zone face, ejector fed, pressure verified, vented after 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-2026-000007089) never changes.

Identity and time

Publication numberOT-2026-000007089 · never reused
Internal UUID01a0a972-4bce-7f54-9184-1fe07fa61eef · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:00:35.154089Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007089
StatusPUBLIC

Content hashes

Canonical text8ffea1b8ee9f685c15b1ebca3c558afe7693217c543e3b54066cfe0d21df0970
Markdown1cc4362f1450f3d3563588ef254162ac7d0de9d4bf120fa32d8bf23105706253
PDF
Publication pagef35c2cc01050a461893fabd59b2cbe2a186d8b20ab84ecf315af274daf528a4c
Manifest3082d7ce06e9ee9a112c65bc3ab50c24e407715fd7fadf5aee24a070f2a3f3c7

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
SignatureXMRTgS8QOfwGaQMLxOg5rkbjqcHL/vKHIrC7paLBbf1pZK7uhlSdVXhZr6i5rP0Tr5XfnpSkXcw23T760r3vDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T09:10:28.395960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007089
observed f35c2cc01050a461893fabd59b2cbe2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:28.381730ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007089/manifest.json
observed 3082d7ce06e9ee9a112c65bc3ab50c24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:28.247834ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007089/publication.md
observed 1cc4362f1450f3d3563588ef254162ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:28.235067ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007089/publication.txt
observed 8ffea1b8ee9f685c15b1ebca3c558afe...
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.