OpenTechnical

OT-2026-000011412

Publication integrity record

Four cup vacuum gripper, four zone face, plant vacuum fed, sustained blow-off after 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-2026-000011412) never changes.

Identity and time

Publication numberOT-2026-000011412 · never reused
Internal UUID01a0ae6c-88fe-70c9-b1aa-8efdfc6440d3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:23.703080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011412
StatusPUBLIC

Content hashes

Canonical textf824ab3d78d3fda6068ca54f1791d3e5e67b491a402bb3a3a3e933163373a991
Markdownd3e5a05ffeb18e2097ca9b2dea001d780097e2b8928a138b37406132500ce20d
PDF
Publication page019f248d94a19036b923c7c05b3e549942f0176a7e67d8104212c2647df420eb
Manifestaccd68789978a8cd026323d247df0f085073f37dcc247374fe5264ffc90992d9

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
SignaturethlKuShalrD+pTabbDmc4Muz7BT3zgINet30SnY24epqEiDENSosyAcn5BlAfkQTO5K4YPf6g3gsudVa7GrOCw==
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

2026-09-17T12:13:09.833229ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011412
observed 019f248d94a19036b923c7c05b3e5499...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:09.815369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011412/manifest.json
observed accd68789978a8cd026323d247df0f08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:09.794829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011412/publication.md
observed d3e5a05ffeb18e2097ca9b2dea001d78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:09.776605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011412/publication.txt
observed f824ab3d78d3fda6068ca54f1791d3e5...
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.