OpenTechnical

OT-2026-000095217

Publication integrity record

Foam pad vacuum gripper, four 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-2026-000095217) never changes.

Identity and time

Publication numberOT-2026-000095217 · never reused
Internal UUID01a0ae9f-8f70-7c90-9794-af662846f3b3 · 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-2026-000095217
StatusPUBLIC

Content hashes

Canonical text87afcfa24177882419a342c8b08b0e3aef1cce94a1105c3ed563de7d0ec56980
Markdown0accd7b74d7540b5ff5611a1abae4ddad89fecdeff02eb001e727cd3a4877385
PDF
Publication pageb0cc2887a9f90989cfc812771c1bd4a6a78917576d1a43e9572cf112398769fd
Manifest44a7b0c9fe4ecacc1695cf6917bf15421d1532c8cc5f9dd241ff712c8105691c

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
SignaturePO8EeVkMffS56hXCKV5By9HZ9VSTwl/JubsyJIony9nWJUNS3bi0R3YP+7n9cheMiz5CfRdNH+KZPbj4tpHoCA==
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

2026-09-17T09:36:32.246162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095217
observed b0cc2887a9f90989cfc812771c1bd4a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:32.227769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095217/manifest.json
observed 44a7b0c9fe4ecacc1695cf6917bf1542...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:32.208778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095217/publication.md
observed 0accd7b74d7540b5ff5611a1abae4dda...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:32.190255ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095217/publication.txt
observed 87afcfa24177882419a342c8b08b0e3a...
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.