OpenTechnical

OT-2026-000046186

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, manifold 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-2026-000046186) never changes.

Identity and time

Publication numberOT-2026-000046186 · never reused
Internal UUID01a0ae7e-032c-7d35-8550-36d01e2fb805 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:29.080672Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046186
StatusPUBLIC

Content hashes

Canonical text25fc240e001cf60f4db0186c4afb9ad3a697ca5327db82b31078d8b15a58b370
Markdown04f7d63be81567fd80c3b22feae08f86f7ad774e0041a5724e19f442490a3d56
PDF
Publication pagec7180efdf90e6fccf06f081292397823be006962273b24d4aa89d8be2fc77c51
Manifesteecf1e3496f2dab451d4e3f3e3d84c7d009fb2e1e14a710293f32ce49dca3a34

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
Signatureydv0xIwnUefzoR/Hx5/pRlSsUE1bsztXhng6gFBay7CdHqN1X86z0w7BtUYMTIVgOpcKI+P5ZerBfxmb/YyyAA==
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

2026-09-17T11:09:11.777131ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046186
observed c7180efdf90e6fccf06f081292397823...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:11.757592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046186/manifest.json
observed eecf1e3496f2dab451d4e3f3e3d84c7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:11.740135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046186/publication.md
observed 04f7d63be81567fd80c3b22feae08f86...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:11.720738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046186/publication.txt
observed 25fc240e001cf60f4db0186c4afb9ad3...
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.