OpenTechnical

OT-2026-000043602

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, single stage ejector, sustained 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-2026-000043602) never changes.

Identity and time

Publication numberOT-2026-000043602 · never reused
Internal UUID01a0ae7b-92d0-7769-a65c-6e3ce38b9cef · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:49.254972Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043602
StatusPUBLIC

Content hashes

Canonical textc4995d27db4c8510f621548bd33f1775e6d2643b2c73cfae458e1e37033842ac
Markdown91c668a7d780b0c2fdf9de882e824f5f38a79dad6934c5b1071adf2c98c8e802
PDF
Publication page9afb3ae453b2aae8cf6f8c0dce043e409fe85c446efc86a6e2b9640b88681a43
Manifest7c73f2514fd67496b7901903dbf9452d98b95bc48953732b6b1fc12adeebfbb8

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
SignatureMPmzvs7huaO3tV+qVpxMB0iaJ6ezHYm2x8HSQtKPp1IoYO+4f42DNyN7WLGep/NhDR9ABr8S90afd1h9CU1cDA==
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

2026-09-17T11:13:00.531669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043602
observed 9afb3ae453b2aae8cf6f8c0dce043e40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:00.513771ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043602/manifest.json
observed 7c73f2514fd67496b7901903dbf9452d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:00.495548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043602/publication.md
observed 91c668a7d780b0c2fdf9de882e824f5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:00.477269ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043602/publication.txt
observed c4995d27db4c8510f621548bd33f1775...
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.