OpenTechnical

OT-2026-000095119

Publication integrity record

Three cup vacuum gripper, three zone face, plant vacuum fed, pressure sensor per zone, sustained 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-2026-000095119) never changes.

Identity and time

Publication numberOT-2026-000095119 · never reused
Internal UUID01a0ae9f-8f6e-71c9-a918-b8513fc143eb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:07.681434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095119
StatusPUBLIC

Content hashes

Canonical texta0c0e426a2f543f4df0eeaa37537088aaaf035614944810ce5a353d80765051b
Markdown2ff92345940a2e1bdceae02c2ca3fa34ec545852d2e9013f11657da71b3ab202
PDF
Publication page383b712fe61af1fe5e03589c18e01bafebff3bb77f230ffe6d8e5f8e18543d16
Manifest4d2a334233441180ea661702542cea4513bf87753e0f20828b3ddccc17f2e465

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
SignatureB7lDo8P8FZPdtF3Buz4eKN5iehXh5bpKea3DdqVJ/ZHTXKA4W+Wbr1dypBnDqVwYs5vTsWV2ZdY2NLs6BqMNCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:36:24.795625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095119
observed 383b712fe61af1fe5e03589c18e01baf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:24.778582ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095119/manifest.json
observed 4d2a334233441180ea661702542cea45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:24.758375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095119/publication.md
observed 2ff92345940a2e1bdceae02c2ca3fa34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:24.739951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095119/publication.txt
observed a0c0e426a2f543f4df0eeaa37537088a...
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.