OpenTechnical

OT-2026-000040408

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold pressure sensor, sustained blow-off before 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-2026-000040408) never changes.

Identity and time

Publication numberOT-2026-000040408 · never reused
Internal UUID01a0ae79-2701-717d-8368-0a6bc980cbec · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:10.588850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040408
StatusPUBLIC

Content hashes

Canonical texta712aa0a99c20bda191e45a225ee98e7a4e3456b77b5de2a74a14ee95d4a8034
Markdownba750fa8733922ee217391461cb73c9b224a1d419d7934c2b637793f9113d6de
PDF
Publication page75441c21062b98a8a9c05b865cbb857fc7dd8f7fa4ca615f4a8e521c40833e68
Manifestdb8f1c7ee0d348096542978028b1feba39032ad169863cd969497c515e6d78d2

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
SignatureIa0jaMLaf7p9LUeAUW26NZdygG1qN1GbjW7M3mO0YXgGI2Xw6RLKDZ9yfFcMfmdqRvuViFNfJgP2mjUyjLLHBA==
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

2026-09-17T11:19:26.597764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040408
observed 75441c21062b98a8a9c05b865cbb857f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:26.580229ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040408/manifest.json
observed db8f1c7ee0d348096542978028b1feba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:26.562881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040408/publication.md
observed ba750fa8733922ee217391461cb73c9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:26.544601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040408/publication.txt
observed a712aa0a99c20bda191e45a225ee98e7...
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.