OpenTechnical

OT-2026-000044439

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed 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-2026-000044439) never changes.

Identity and time

Publication numberOT-2026-000044439 · never reused
Internal UUID01a0ae7c-39d7-72cd-b0f4-811ab647d113 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044439
StatusPUBLIC

Content hashes

Canonical text9442d535b7e9ffd856cd50889d5519140e8934124dadedd42cc4a963916a9e8a
Markdown6f9fd78968080512e4dff08aa7ecf243ed9d8de8141f7dfbd300493a3756ed0a
PDF
Publication page2db26da1929c90436275ceb15693877cb76d42ec5738fad7b35afc59ccb9bd3c
Manifest44c444ccbd7a4628017a3242f03b465f08f195dabcd6a029cf67936a4f0f8390

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
SignatureaR0KdH2dar71kwBuAyX07L031RvInBTc8Dd6J5afJDukuTv1vog20wqirek+2W5EhCG/M3pxgk7aPn0UTdDCBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T08:30:46.326475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044439
observed 2db26da1929c90436275ceb15693877c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:46.308412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044439/manifest.json
observed 44c444ccbd7a4628017a3242f03b465f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:46.290452ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044439/publication.md
observed 6f9fd78968080512e4dff08aa7ecf243...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:46.272915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044439/publication.txt
observed 9442d535b7e9ffd856cd50889d551914...
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.