OpenTechnical

OT-2026-000013660

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, three 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-2026-000013660) never changes.

Identity and time

Publication numberOT-2026-000013660 · never reused
Internal UUID01a0ae6d-8de8-7e16-a0c5-b3faeaab3044 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013660
StatusPUBLIC

Content hashes

Canonical textce82c106568511f768130ad2206357426678d7a9ba1d280ffcadac0f49dd493a
Markdown805299f71638e215e9674545ea6ccf836a9de54f61c3deaf420f19e6bc3321a0
PDF
Publication page7a19034fde4dd42e0d7bf30a8ecaecc20697a4afe8bbca50c159e230af360485
Manifest267264d20968e50f90eb1b60003e9daef784e04f99d67c038240669773eaa1cb

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
SignatureTdukPQghuVkPXpARknqVmNQJVVRZnhAivM7wIUXtkLjehgtejM27ij6vJi0wmLQKE+LOE2QC40u9nDaLrJtuCw==
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

2026-09-17T12:08:36.077485ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013660
observed 7a19034fde4dd42e0d7bf30a8ecaecc2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:36.021784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013660/manifest.json
observed 267264d20968e50f90eb1b60003e9dae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:36.002205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013660/publication.md
observed 805299f71638e215e9674545ea6ccf83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:35.932551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013660/publication.txt
observed ce82c106568511f768130ad220635742...
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.