OpenTechnical

OT-2026-000084026

Publication integrity record

Two bellows cup vacuum gripper, two 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-2026-000084026) never changes.

Identity and time

Publication numberOT-2026-000084026 · never reused
Internal UUID01a0ae98-5b5e-7711-b987-a4704c134184 · 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-2026-000084026
StatusPUBLIC

Content hashes

Canonical textdf7c006e4eac80c23878cd3978dd233536b7e2290abdb7fc626e806bf4dc655b
Markdown89eb49de0304cbf346fdae1a7ec0269387495d95399655c32050395eac7a274d
PDF
Publication page030bb8f5139d25d7b9e908c4faaa55de312b0e46e09565572c112837ae88ddd1
Manifest86c46ab68779fc9a9d5bec313674f8c275630697359fdd0b3cadca830512e645

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
Signature7YaJ9P+DMaWWic/zB53po/MbOhURq1yx07ovHjc1DT4Kk2MHvrhUeD77GNlJafyQVFJwCN9FqXKMBRUuJF4QDg==
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

2026-09-17T09:55:44.974873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084026
observed 030bb8f5139d25d7b9e908c4faaa55de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:44.956895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084026/manifest.json
observed 86c46ab68779fc9a9d5bec313674f8c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:44.936996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084026/publication.md
observed 89eb49de0304cbf346fdae1a7ec02693...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:44.915911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084026/publication.txt
observed df7c006e4eac80c23878cd3978dd2335...
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.