OpenTechnical

OT-2026-000053334

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, three stage ejector, vented 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-2026-000053334) never changes.

Identity and time

Publication numberOT-2026-000053334 · never reused
Internal UUID01a0ae85-0a16-7bc5-9d89-02b45f55c66f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:09.762364Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053334
StatusPUBLIC

Content hashes

Canonical textd9bcbab802ad00540ecbb3f91b51ca242f0cb9d83bc865f414ceb11297d709b0
Markdown44458563430806e0d3ec3e14108bd01f2ef016e0fb4aae60183f8cccb1e66a3d
PDF
Publication page4dbe3f44f9173141d50b2cceb62575bcd479825807d706e2467f3bf82833febd
Manifest2969f629f997ca297972fd4e6823e5db150fbef602e888ceb5d9b3ccbd774c7c

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
SignatureZlAdT3dRli+saMqV3nvSm48Cww/M7wrX8GcNx6FrtE70frh8dtPLhG4FgwWyXjWqk/K/XLsD9Z22CAVRnBo7Cw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:55:02.316448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053334
observed 4dbe3f44f9173141d50b2cceb62575bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:02.297640ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053334/manifest.json
observed 2969f629f997ca297972fd4e6823e5db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:02.278491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053334/publication.md
observed 44458563430806e0d3ec3e14108bd01f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:02.259211ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053334/publication.txt
observed d9bcbab802ad00540ecbb3f91b51ca24...
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.