OpenTechnical

OT-2026-000069152

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, three 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-2026-000069152) never changes.

Identity and time

Publication numberOT-2026-000069152 · never reused
Internal UUID01a0ae90-6dcf-79fd-a970-f6fe6918d314 · 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-2026-000069152
StatusPUBLIC

Content hashes

Canonical text045151763531cce1fcea6d0dce91d354b463354ad7b42efa4bf888579f9ddade
Markdown17228e7f6ac1a18ac3da9cbb592f6ac4e4f16a653014e4b2e2cff1e63c75e520
PDF
Publication page20854be8deaac8db09dc170a6f5db2b1de708e8e10045803d3e42a94f14dedc0
Manifest523e59ae7bb7e7ac5b904ce36264357481254aea3e18937bdf8663833fcb5e41

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
SignatureqUCp52dseUUZXfnvhgq1pfmjj6gNa3Oihrmn/nhQgXubFHbPSHk7IqJ9767owRynE+bLeECJGMRALIAU9Mh1AQ==
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

2026-09-17T10:29:02.267850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069152
observed 20854be8deaac8db09dc170a6f5db2b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:02.251111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069152/manifest.json
observed 523e59ae7bb7e7ac5b904ce362643574...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:02.233595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069152/publication.md
observed 17228e7f6ac1a18ac3da9cbb592f6ac4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:02.215853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069152/publication.txt
observed 045151763531cce1fcea6d0dce91d354...
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.