OpenTechnical

OT-2026-000099812

Publication integrity record

Three cup vacuum gripper, three zone face, plant vacuum fed, pressure sensor per zone, sustained blow-off before set-down

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-2026-000099812) never changes.

Identity and time

Publication numberOT-2026-000099812 · never reused
Internal UUID01a0aea2-c978-73cb-b96f-2c3a0fd3804e · 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-2026-000099812
StatusPUBLIC

Content hashes

Canonical text1d6ddaa8a29bdd07d9c4d315ee714a981ace35dab43a8454520dcdb2aa88d5f9
Markdown56ebe963c04ad4e1f5293d7591fc2f788a3c263a4ae2e425081731b85ab7a31c
PDF
Publication pagefcb06d157b245f02a87d30e929ae0497c554ce3a9a9eb40dc35c0f2e8dd81f82
Manifestd79f137630a868924acff2379bbce98cd6d34f00fcb2a2c6c34ff6c393b4f44f

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
Signature5dCNf7FulurEZv0wSxsKkRC0PBOf2fKMwXv3acwwPRMw3lKXOvRM+gH7HqP4Tv5Ji1m4YHlk23cMNHvbbQiHAw==
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

2026-09-17T09:29:51.094892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099812
observed fcb06d157b245f02a87d30e929ae0497...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:51.078385ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099812/manifest.json
observed d79f137630a868924acff2379bbce98c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:51.062399ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099812/publication.md
observed 56ebe963c04ad4e1f5293d7591fc2f78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:51.045631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099812/publication.txt
observed 1d6ddaa8a29bdd07d9c4d315ee714a98...
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.