OpenTechnical

OT-2026-000034316

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, 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-2026-000034316) never changes.

Identity and time

Publication numberOT-2026-000034316 · never reused
Internal UUID01a0ae75-df0e-7e70-a23f-6b212b71206b · 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-2026-000034316
StatusPUBLIC

Content hashes

Canonical text6be54d0301d08885eb81cc03e1fa6c9a0dc1a8f3e42d6f92dc5a61e408e8c6c2
Markdown3332ee6d65d697e9ffe4cc1f4257ae1664ad4a9dec29f81b1fe14337063190df
PDF
Publication pagecd94267f2a63efad64822307ef81560e11daa97738505ce478f7f0285bb78ba4
Manifest503b257090d87e2121c999fb7d2ed10e40f6b1920dbc8e0ca8aa8ee0fb08934b

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
SignaturefdL9MkJbfST7WtS5Ye4LyfRdS5Ndh6nwcvkuN1+rs92fOKWAjUTjv+lTVlwcodzrBxsqFcKkIaRtgY2e8wiLBg==
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

2026-09-17T11:31:00.570694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034316
observed cd94267f2a63efad64822307ef81560e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:00.554372ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034316/manifest.json
observed 503b257090d87e2121c999fb7d2ed10e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:00.537161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034316/publication.md
observed 3332ee6d65d697e9ffe4cc1f4257ae16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:00.520117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034316/publication.txt
observed 6be54d0301d08885eb81cc03e1fa6c9a...
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.