OpenTechnical

OT-2026-000082153

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, pump fed, 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-2026-000082153) never changes.

Identity and time

Publication numberOT-2026-000082153 · never reused
Internal UUID01a0ae97-4d93-71ab-a4b1-8be3cce0b0bb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:06.536388Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082153
StatusPUBLIC

Content hashes

Canonical text69faf40abb8c49fcd80631eb9013f1ad8f04b52f692731a4ffa47ed5ffb4d256
Markdown854baddd9c000238b9e692550231964d5e473c5dc0b2e4b76cb5c6b32234689d
PDF
Publication pagef97c07ac05c60fc35ecc7706b6c7bc4cd9a572fd5877816c455b0cad190b84bc
Manifest7efc08b4d076d102f7c51a9071f5d3fcfb9244fd1e8c8abe03405c1eab4ef261

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
SignatureU35pP7nZVPuVhXfm3ou0MZlAvJUMvFdzpjoTO6gSDxGVSSrt0Gw9X2/uWkZH997zvagswBG0Zm0vtMdeNEGvAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:58:58.491829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082153
observed f97c07ac05c60fc35ecc7706b6c7bc4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:58.475656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082153/manifest.json
observed 7efc08b4d076d102f7c51a9071f5d3fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:58.457966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082153/publication.md
observed 854baddd9c000238b9e692550231964d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:58.441908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082153/publication.txt
observed 69faf40abb8c49fcd80631eb9013f1ad...
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.