OpenTechnical

OT-2026-000034258

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, pulsed blow-off after set-down

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-2026-000034258) never changes.

Identity and time

Publication numberOT-2026-000034258 · never reused
Internal UUID01a0ae75-df0d-71fd-b89e-40ad51c20c8f · 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-2026-000034258
StatusPUBLIC

Content hashes

Canonical text9602772356118f82072cb3e2e868512593cec80ba75b3758b7edc0c492267efa
Markdown3a0d757af2092894fc6aec089ae3215584534cab5014af2003211e5a2e5bc1b6
PDF
Publication page78607c1e147cbb8788dd074ee17d11b0a11b3a9ba98b57e8afc4477e9422bbc5
Manifestcf6b1f41bd0bc5889ebc2058cd965efd87a3a77d179b8711dea8d4fec7b41c4d

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
SignatureEcu8aUcqHnCDm8sBGYI2LNVHof3pAbIUVfbELKBbcHXgbQ4rf2OtTB/HrGZc2ocITaFcpeJL0AW3pWrBN1flAA==
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

2026-09-17T11:30:48.993101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034258
observed 78607c1e147cbb8788dd074ee17d11b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:48.975776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034258/manifest.json
observed cf6b1f41bd0bc5889ebc2058cd965efd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:48.958031ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034258/publication.md
observed 3a0d757af2092894fc6aec089ae32155...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:48.938724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034258/publication.txt
observed 9602772356118f82072cb3e2e8685125...
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.