OpenTechnical

OT-2026-000099686

Publication integrity record

Foam pad vacuum gripper, two zone face, three stage ejector, 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-2026-000099686) never changes.

Identity and time

Publication numberOT-2026-000099686 · never reused
Internal UUID01a0aea2-c976-7236-98a7-f105f4ce6dff · 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-2026-000099686
StatusPUBLIC

Content hashes

Canonical text57ad73330b1969e9a45b8f520b6704aa1392181eee31508d7c41b0d93bd24413
Markdownf5946ce220613d3553ed0131e1fe42549acc5deed935044b0554b5a851d6099f
PDF
Publication pageb15c0e748bcb1a1d12ae8ba167804d854a5c0ba5f02f0dff1ac16fd6074926ac
Manifest2a55d3a1cd8f5f0f6dfc927b59486175937640de40ea91bda4c310e47c3b50c3

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
SignatureQP9JSd0gbtP3+i7R3akaWF8O4s8qxtW4u9YkZSob8yLLsND7uRsiFtp3Uae4LVFusaQZjYeF5aAvLCQ9JChZCQ==
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

2026-09-17T09:29:41.633465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099686
observed b15c0e748bcb1a1d12ae8ba167804d85...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:41.606722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099686/manifest.json
observed 2a55d3a1cd8f5f0f6dfc927b59486175...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:37.778418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099686/publication.md
observed f5946ce220613d3553ed0131e1fe4254...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:37.760424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099686/publication.txt
observed 57ad73330b1969e9a45b8f520b6704aa...
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.