OpenTechnical

OT-2026-000086405

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, 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-2026-000086405) never changes.

Identity and time

Publication numberOT-2026-000086405 · never reused
Internal UUID01a0ae9a-2c97-766a-b332-dfe6cb79a3b8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086405
StatusPUBLIC

Content hashes

Canonical textcffdfced9cb0131b9015c893aaae127939618ab085798535d91c568000448566
Markdownb6657fd06e28b5a5f5d776ba3c387b0ab164bdefa1c94606152ddcd41d414457
PDF
Publication pagec61c874f86ad232d69e7737f281bd365abd747dc47fe76967014fae16ab87363
Manifestefb8df8c97962b5ea673decab19bce8862396d45341ae1049eeef97478d6eda8

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
Signature4KFDnOC+sI8MN4+IV2iwSYVh2cz0JqMBtxCIN9ZN5cHBLv9W9B3uGlV6HdIasn0WZc2W4P3zPHH3Tqi3Y+oQAA==
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

2026-09-17T09:52:11.644778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086405
observed c61c874f86ad232d69e7737f281bd365...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:11.623579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086405/manifest.json
observed efb8df8c97962b5ea673decab19bce88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:11.602577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086405/publication.md
observed b6657fd06e28b5a5f5d776ba3c387b0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:11.583477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086405/publication.txt
observed cffdfced9cb0131b9015c893aaae1279...
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.