OpenTechnical

OT-2026-000034009

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, pulsed blow-off 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-2026-000034009) never changes.

Identity and time

Publication numberOT-2026-000034009 · never reused
Internal UUID01a0ae75-df0c-71f3-9814-03ee16c94799 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034009
StatusPUBLIC

Content hashes

Canonical textbeb75b01cb8e0d593853b3c2760a56e296e828912e88b469768f6ba94c69a1aa
Markdown372275ad78e2dd9a380a291962e0642ac4d89eb77da1e87a638d97fd3ff8cb08
PDF
Publication paged6679dae01599328ae1163cb130ff26c9d84ef0079056770ef1c592892a25309
Manifestf4792c0cf118577235bae9e22529acaf7faf31ed48a5f43e82f99a4b8a42e55a

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
SignaturelFaDCEf/cUSor4Qakhxkz3KUPIZw6LQvasUJQAicxj0S7U6VDILszqUYxPIGnnDVjZPq0HUQxkZwEMkNS1nqAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:30:13.646450ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034009
observed d6679dae01599328ae1163cb130ff26c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:13.625581ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034009/manifest.json
observed f4792c0cf118577235bae9e22529acaf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:13.605540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034009/publication.md
observed 372275ad78e2dd9a380a291962e0642a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:13.586260ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034009/publication.txt
observed beb75b01cb8e0d593853b3c2760a56e2...
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.