OpenTechnical

OT-2026-000022996

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, pulsed 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-2026-000022996) never changes.

Identity and time

Publication numberOT-2026-000022996 · never reused
Internal UUID01a0ae70-46ec-7a5d-b64c-471ed8a22f8b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022996
StatusPUBLIC

Content hashes

Canonical text04f7ab6627e4f14bc3857f70d00fa68e42cb805ab3df3dd4d98dce4d8d968f2f
Markdown3b3ed158c8641a8c52cd01f64cca45f61cc4fa8cecb9107421723f4d8505274f
PDF
Publication pagefab1f3cefdbf9348148f5e3a1cb784f9e340b8125563fa49c984d63796d394c0
Manifestae3972207f677837ba24b2a4a38ab0b5d60a4a90b72ccaac636ed65609ce35e0

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
Signaturew2k5njWTEGbaLr+P3ezxB8BGc+k8xm2F807aOJiBjvygtUTvvZeF8K838nB4gvaVzk8emvr3KPRGoFgiXfEuCA==
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

2026-09-17T11:52:35.339956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022996
observed fab1f3cefdbf9348148f5e3a1cb784f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:35.322475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022996/manifest.json
observed ae3972207f677837ba24b2a4a38ab0b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:35.299489ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022996/publication.md
observed 3b3ed158c8641a8c52cd01f64cca45f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:35.276675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022996/publication.txt
observed 04f7ab6627e4f14bc3857f70d00fa68e...
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.