OpenTechnical

OT-2026-000041097

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, 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-2026-000041097) never changes.

Identity and time

Publication numberOT-2026-000041097 · never reused
Internal UUID01a0ae79-b142-782b-be3d-597714690eda · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041097
StatusPUBLIC

Content hashes

Canonical textca4e9439606822ca1d96496a478ffc484377ca01a55398f6aca5fe6af2d71a02
Markdown516fece413e892e5345200aefa60e9e8c9b913438fe2dbbdfb56f69f5f0902a4
PDF
Publication page125744d7b15235c6a7ab3b63b85cf2ffdc15bdcb4632fc83756327f61e12b03c
Manifest179cdec9ecece283bc4fbaa483a1d1f42138a601d4aa589a43aa54301e6a3446

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
Signature4o4cFIRtX+VMY8/5a4e0AOtRmgvxpdA7im8VaWr/Sahr2AH0qGA2B1zEIomLSPsiLI25HN0i23UA06xQ66UbBg==
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

2026-09-17T11:17:00.970939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041097
observed 125744d7b15235c6a7ab3b63b85cf2ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:00.955040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041097/manifest.json
observed 179cdec9ecece283bc4fbaa483a1d1f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:00.940192ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041097/publication.md
observed 516fece413e892e5345200aefa60e9e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:00.924417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041097/publication.txt
observed ca4e9439606822ca1d96496a478ffc48...
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.