OpenTechnical

OT-2026-000064692

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, plant vacuum fed, supply line 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-2026-000064692) never changes.

Identity and time

Publication numberOT-2026-000064692 · never reused
Internal UUID01a0ae8d-deb9-7164-943e-b9c1a39923f6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:48.495161Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064692
StatusPUBLIC

Content hashes

Canonical textf18b1c44848fb5afd08df35bedb85b0df0db16786be8421d80e40aae7d3be19f
Markdownb98d3c75a6e457854da18e00b9e0353d652c748e188f147e38577a2820f96cf7
PDF
Publication pageb160f56074b372c6e2c04317609ba82bd2a1a40d55b5aa2fcd69043fbfc79348
Manifeste4106a8756d2ea4c80ec32a9792baaf55104ba2e3a1f28634092f9f43046c571

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
SignatureEVDfQeT3vI8WfJm/omoLfw3yAvryfBN3lBXIoURV1b4prraJnu4donq6Q/nm0cfzpjgg3GuxwWCEOrdgXJPoAg==
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

2026-09-17T10:35:33.501805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064692
observed b160f56074b372c6e2c04317609ba82b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:33.482400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064692/manifest.json
observed e4106a8756d2ea4c80ec32a9792baaf5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:33.463776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064692/publication.md
observed b98d3c75a6e457854da18e00b9e0353d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:33.446258ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064692/publication.txt
observed f18b1c44848fb5afd08df35bedb85b0d...
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.