OpenTechnical

OT-2026-000032587

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, two stage ejector, pulsed 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-2026-000032587) never changes.

Identity and time

Publication numberOT-2026-000032587 · never reused
Internal UUID01a0ae75-1070-76ea-af2f-dbc13db3f06a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032587
StatusPUBLIC

Content hashes

Canonical text29f86fa8c9246b2ac0b9cfc7d18e18292941ca918b08221924753904bf6b1d24
Markdownec25f25181d24c592adcb3670e27ae4ead1a93db8a003ac8889e34da164acbf0
PDF
Publication page58bf94bb0185b8a8c0497ce156ae26d41de5a45f00c86e91311805f4d3d956ec
Manifestf6d863d66a2a2ee95e9d640384525fbf9f7797fe028ba9ed0e1fb164c858f136

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
SignatureKp6ZVyDL62IMhrZ3ocj/zuB6CBonBkTg3XHF+LfXsvfn/kjMJPaNP1t36BZ/5SwJL09utOEt4MdVZAzQ4WISBA==
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

2026-09-17T11:34:09.893894ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032587
observed 58bf94bb0185b8a8c0497ce156ae26d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:09.877380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032587/manifest.json
observed f6d863d66a2a2ee95e9d640384525fbf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:09.860387ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032587/publication.md
observed ec25f25181d24c592adcb3670e27ae4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:09.840394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032587/publication.txt
observed 29f86fa8c9246b2ac0b9cfc7d18e1829...
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.