OpenTechnical

OT-2026-000069692

Publication integrity record

Single bellows cup vacuum gripper, two stage ejector, vented before 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-2026-000069692) never changes.

Identity and time

Publication numberOT-2026-000069692 · never reused
Internal UUID01a0ae90-b52c-711a-9ea0-5db7c56a2ad6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069692
StatusPUBLIC

Content hashes

Canonical textc026080366f5982e72f2d35790e87f41d0a5561b440192b3ea45d4631f82e52e
Markdown6e26f71f641c889a09d1e52ca59043811fa6019a08f3537d443f8561eb8ad444
PDF
Publication page1238e18ffe58ce167578ad956281b4745e914a071268f4b2ced9659588cc3e79
Manifestef4db8b39a5d23f4dacffbb24296fffcd6b53d21a069fc6b7bd0a8b14c29f019

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
SignatureeG5cWWPD2gLD+U7W6v2ejt+XW8ttPcSzFPtNaXYo8HrQvJexvr4OsxBPa9Au1qmoWSTKDWc/MvHImX7RrrzICw==
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

2026-09-17T10:28:22.005431ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069692
observed 1238e18ffe58ce167578ad956281b474...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:21.988587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069692/manifest.json
observed ef4db8b39a5d23f4dacffbb24296fffc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:21.971081ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069692/publication.md
observed 6e26f71f641c889a09d1e52ca5904381...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:21.954581ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069692/publication.txt
observed c026080366f5982e72f2d35790e87f41...
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.