OpenTechnical

OT-2026-000044741

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, supply line pressure sensor, sustained 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-2026-000044741) never changes.

Identity and time

Publication numberOT-2026-000044741 · never reused
Internal UUID01a0ae7c-911a-7700-9923-57db5cdcdb2e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:54.474009Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044741
StatusPUBLIC

Content hashes

Canonical text5a36885837a60f18defdc7af5bc83fc386c9d17d3446695d049fef7281dfbb68
Markdownc611e883b689d0579ae80a77eb23cc9a2dd574e761741080e600cbf52c701883
PDF
Publication page6c21e5bb957d4d221c4656b4f347cff0e890ba21c582b6fb99238b0a7ea59b6c
Manifesta9c6880f3d65e8d93bbb3e9ebc2eede877d7bf469e1929eb49bd0eb544c8c34f

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
SignaturehxETUglpJGjsi74cPHXBDkvZV7Gs2kPkt0wEngUkDHNv8rWOV4+X7QkmXVnB/xkSS1n8hk0DENAqSlHcjS70CQ==
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

2026-09-17T11:11:21.303609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044741
observed 6c21e5bb957d4d221c4656b4f347cff0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:21.286381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044741/manifest.json
observed a9c6880f3d65e8d93bbb3e9ebc2eede8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:21.270080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044741/publication.md
observed c611e883b689d0579ae80a77eb23cc9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:21.252709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044741/publication.txt
observed 5a36885837a60f18defdc7af5bc83fc3...
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.