OpenTechnical

OT-2026-000084116

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, manifold pressure sensor, vented after 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-2026-000084116) never changes.

Identity and time

Publication numberOT-2026-000084116 · never reused
Internal UUID01a0ae98-5b5f-7d92-88b4-4b93c1fd8980 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084116
StatusPUBLIC

Content hashes

Canonical text1ee308a0cca96f62aac42545c4124d30fde14d6121802621ce9a14e8a41711ca
Markdown9f869d634c03248fe975db078a9d7fc274cb158cbff462e75e613c3ab5f2a4ed
PDF
Publication page855fc89461a82232cb76702df527683f2fcced1613cc2e424cfec6798ffe1de7
Manifeste4ef132de5f64c01883c17dc7e6fb742bbe6eaa827c2af9691bf0c6d98d0dd81

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
Signature3X88+Q3XA+jjhoV5ZokOKW4/YZjxltYAm4k6AhRpkZV1e24r2aBfKNN4t9cRxhBOQrnm8uMCdzxqM5WsroOwBA==
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

2026-09-17T09:55:52.478539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084116
observed 855fc89461a82232cb76702df527683f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:52.462131ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084116/manifest.json
observed e4ef132de5f64c01883c17dc7e6fb742...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:52.443888ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084116/publication.md
observed 9f869d634c03248fe975db078a9d7fc2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:52.425404ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084116/publication.txt
observed 1ee308a0cca96f62aac42545c4124d30...
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.