OpenTechnical

OT-2026-000069021

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, single stage ejector, manifold pressure sensor, sustained blow-off after set-down

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-2026-000069021) never changes.

Identity and time

Publication numberOT-2026-000069021 · never reused
Internal UUID01a0ae90-6dcd-719a-b6e6-24ec485a6589 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069021
StatusPUBLIC

Content hashes

Canonical text01b62132274b6a9b186f212563efb5ba31c98e8d3a70c94258eb424b48bfb713
Markdownbff06364d3072be8293c4eca49f1ba5c6304efff33b3a26ed5e5ac46cde8f225
PDF
Publication page4a2fb27c5321d420ebfad8ed68e7f9da18cc38ca90e67b448ca3be0c6145e640
Manifest63f9f2941bc2a4d9fbcd7acb4245a80449de2381c15d25c240c60d885f6a71ae

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
SignatureXMrNF8UsH1Ze1TTukskh8XDd0o8OaELAlKV4etO4NaKqZ4YaaOdpWIOdoHzPq7qLNi4L3uuj1VCTIbi2Bu63BQ==
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

2026-09-17T10:28:52.380641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069021
observed 4a2fb27c5321d420ebfad8ed68e7f9da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:52.362162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069021/manifest.json
observed 63f9f2941bc2a4d9fbcd7acb4245a804...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:52.344814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069021/publication.md
observed bff06364d3072be8293c4eca49f1ba5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:52.325654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069021/publication.txt
observed 01b62132274b6a9b186f212563efb5ba...
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.