OpenTechnical

OT-2026-000091199

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000091199) never changes.

Identity and time

Publication numberOT-2026-000091199 · never reused
Internal UUID01a0ae9c-f16b-7fd5-80d3-705fdac5369e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091199
StatusPUBLIC

Content hashes

Canonical textc944fb0d07ff371e55fa1083ed78bee2af2aaf5b200fd4ea05ed98f14d9c7a18
Markdown238cd5c927b8a6341a1d8f3317bc5876d02cb3e2bec1ceb2503e79479aae53a2
PDF
Publication page03c7023c8203d9ede0b9b1ebd6bb4c38c303a5e500047684d772f4092664c905
Manifestb734b97a91c22240466682d94eb0a4c9e764a1a1bb630e22a6133b927eccfd2b

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
SignatureAydBxTEu3GDN/oG5q89d6Zlbuo8gZ9HfclYZ/KuR+wOrp9KTLrtHiE4zNzS3IfdAZuZo84UQoMa616doI0HSAQ==
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

2026-09-17T09:43:21.684864ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091199
observed 03c7023c8203d9ede0b9b1ebd6bb4c38...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:21.667632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091199/manifest.json
observed b734b97a91c22240466682d94eb0a4c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:21.651032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091199/publication.md
observed 238cd5c927b8a6341a1d8f3317bc5876...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:21.634950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091199/publication.txt
observed c944fb0d07ff371e55fa1083ed78bee2...
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.