OpenTechnical

OT-2026-000084998

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, single 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-2026-000084998) never changes.

Identity and time

Publication numberOT-2026-000084998 · never reused
Internal UUID01a0ae99-43b7-7afb-8c79-62e90942a484 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:15.103896Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084998
StatusPUBLIC

Content hashes

Canonical text31ddfa8c0c3e582476a2965da40aef08f6a9eef7e64a6d6f30eff93582382236
Markdown83c12acd083345f4e215ec83d6bd43ae6d44918377e4b2e8020800dce6b19bdf
PDF
Publication pagef966ef9e1e9a000e5d6fa3eeccf0035d48219b99acb1cc7bb3e08500795e6e75
Manifestc458670f86daead8f42e944e701672c74ae29539f42bd513e48bae678c8cb6f3

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
SignaturewGt3lsgUiKSwj1kBTkd9bLgU5rGXUOhqUfEmaeL+3dV576Ct4TLLZNxBeFFhYyRJcJz3yq72psb1jJ6OxXr4Bg==
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

2026-09-17T09:55:00.079159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084998
observed f966ef9e1e9a000e5d6fa3eeccf0035d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:00.062338ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084998/manifest.json
observed c458670f86daead8f42e944e701672c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:00.044165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084998/publication.md
observed 83c12acd083345f4e215ec83d6bd43ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:00.025150ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084998/publication.txt
observed 31ddfa8c0c3e582476a2965da40aef08...
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.