OpenTechnical

OT-2026-000089339

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000089339) never changes.

Identity and time

Publication numberOT-2026-000089339 · never reused
Internal UUID01a0ae9b-db01-7ae5-b8c3-d287cd335733 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089339
StatusPUBLIC

Content hashes

Canonical text07d4b618f73a80481ae77a89139d54ca0b09e8aea925a7cc879a22e6960442e4
Markdown1b57e3258f8835e01b977b428cf4e10983c8e086b43c281fb29690a9c7a7ee09
PDF
Publication pagec45d688e50f9ee2390aecf89251505456cce1f0f4c879576fe7ebbf1c9b5b1a2
Manifest639f90f31f0084f0eb8406eeb73f52219ba10183f3bff8b07cad5b40ab362158

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
SignatureuiGPoLaB9i2YV4Rc9LHJdZZwsnDj4x1joJYR8TkUNS5QDqiu0nLaKxZAK+6CJha+Ki5lJ1fd4cmZ9l1adNsXCQ==
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

2026-09-17T09:47:23.667973ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089339
observed c45d688e50f9ee2390aecf8925150545...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:23.650846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089339/manifest.json
observed 639f90f31f0084f0eb8406eeb73f5221...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:23.635364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089339/publication.md
observed 1b57e3258f8835e01b977b428cf4e109...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:23.617793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089339/publication.txt
observed 07d4b618f73a80481ae77a89139d54ca...
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.