OpenTechnical

OT-2026-000099724

Publication integrity record

Foam pad vacuum gripper, two zone face, pump 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-2026-000099724) never changes.

Identity and time

Publication numberOT-2026-000099724 · never reused
Internal UUID01a0aea2-c977-79b1-97f6-383eab306978 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099724
StatusPUBLIC

Content hashes

Canonical text3d9c06562ecf7947d4f3d8913ff9899cb35737239c84f3b0a7edeb3da62a7362
Markdown41fb79fb1c4b5fec0835f17f77db6c27e331b8d968f9b17c683f25ce6992c6b3
PDF
Publication page972aa64d2bdb86e0ee084c50ebbd80bd2247e5757c741c9bc4198b0c36285faa
Manifest897692ea83b2660914a14d28fa954a0157c675d485e53388ef2fa6a9d7a29fb1

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
SignatureFNXHjdQKiZz9YoDMoRl77f7X+tYtiuinK58GpfoKhNlBVINJc4dvjKW+zCVY5TFr2nAIhQsYA5LhCSOLZGE3BA==
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

2026-09-17T09:29:44.695703ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099724
observed 972aa64d2bdb86e0ee084c50ebbd80bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:44.679809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099724/manifest.json
observed 897692ea83b2660914a14d28fa954a01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:44.664420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099724/publication.md
observed 41fb79fb1c4b5fec0835f17f77db6c27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:44.646873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099724/publication.txt
observed 3d9c06562ecf7947d4f3d8913ff9899c...
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.