OpenTechnical

OT-2026-000013355

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, two stage ejector, pulsed 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-2026-000013355) never changes.

Identity and time

Publication numberOT-2026-000013355 · never reused
Internal UUID01a0ae6d-6fc9-7c6e-8fa6-bd415d4e7629 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013355
StatusPUBLIC

Content hashes

Canonical text75475f1972f3505486839a4d6d29989809add2df0e250f9713ef2e77fe6ff124
Markdownaa3582a2af7a8ce9bc724b6de3595add07bce789acb761218d1c3852ad2fd635
PDF
Publication page65de4bcffede6f2567ceb5be992777508695328828967046ab4383dcf6179d3e
Manifest0531aabffd9109ac3df897553081f1cd6518b95ab79c2d749088f83eb7141add

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
SignatureIFbQy08V+fK7uIgfgVuVkFRovLHW/o3hZtw1LAg/K4BmdiXN9l+DB1qW3AqmXCRtU5SmhixjEMH7+7xPA7hWAA==
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

2026-09-17T12:09:48.378801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013355
observed 65de4bcffede6f2567ceb5be99277750...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:48.359269ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013355/manifest.json
observed 0531aabffd9109ac3df897553081f1cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:48.339627ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013355/publication.md
observed aa3582a2af7a8ce9bc724b6de3595add...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:48.321503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013355/publication.txt
observed 75475f1972f3505486839a4d6d299898...
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.