OpenTechnical

OT-2026-000041918

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, pump fed, 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-2026-000041918) never changes.

Identity and time

Publication numberOT-2026-000041918 · never reused
Internal UUID01a0ae79-e8a6-792d-ae85-b04476ef8177 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041918
StatusPUBLIC

Content hashes

Canonical textae368e10dcd0f74ec506e51cc9b1927063db96bb8b22ccdf595b0323cecd654f
Markdown923b780275ea8a17162d70554f4f45b8c844f13b6458139c2ff79ca4a4ca8d91
PDF
Publication pagedb486159ac680217bd98a570662bb6ba863c5c07668310794ceb0ef6fc2d8736
Manifestde0cbc2569019c305a475305a84d3f00373f2bb2950aa6aa4fc86a07c04604b3

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
SignatureSu9fFDR6t9KfWoreH9/A+n+t0zGx77QLcA5YsOHWu3VqcYXMIHxQsAl2WyRMFniQ8ddy4uzzt+weDhB65ZgTDQ==
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

2026-09-17T11:16:48.202937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041918
observed db486159ac680217bd98a570662bb6ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:48.182892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041918/manifest.json
observed de0cbc2569019c305a475305a84d3f00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:48.165530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041918/publication.md
observed 923b780275ea8a17162d70554f4f45b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:48.144847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041918/publication.txt
observed ae368e10dcd0f74ec506e51cc9b19270...
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.