OpenTechnical

OT-2026-000080875

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, three stage ejector, sustained 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-2026-000080875) never changes.

Identity and time

Publication numberOT-2026-000080875 · never reused
Internal UUID01a0ae96-b974-77fc-a2f1-53c6ba43c466 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080875
StatusPUBLIC

Content hashes

Canonical textdb66d26a0ac111146a764ca56870b8c51867b9b35468943cf84aa52e3ec2fbf9
Markdown0bbdc08dc0e312f7cc31e28f366f30a7071725cbe86006ace8c0b49965c0792a
PDF
Publication page9802b0e6b9c48688514ea79180be6f93f32662b6ef7ae21f6d514368e99e719a
Manifest8c08658ba62e0a7d26832ea3b900e18bc18988e8f92c7019ac31825bc018c12a

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
SignaturemFhd+Ygnab+x36sDEdC6lmn0EPbr+7JfoGyHd9KSlkX9nEQ+WS/6ABYxY7U8Y92bV8dU9x4UXkfLe7R8YANfCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:02:04.436062ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080875
observed 9802b0e6b9c48688514ea79180be6f93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:04.419453ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080875/manifest.json
observed 8c08658ba62e0a7d26832ea3b900e18b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:04.402348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080875/publication.md
observed 0bbdc08dc0e312f7cc31e28f366f30a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:04.384909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080875/publication.txt
observed db66d26a0ac111146a764ca56870b8c5...
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.