OpenTechnical

OT-2026-000030298

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, plant vacuum fed, manifold pressure sensor, sustained blow-off 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-2026-000030298) never changes.

Identity and time

Publication numberOT-2026-000030298 · never reused
Internal UUID01a0ae73-e501-7bf1-ae3e-44fd6a86cfa6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030298
StatusPUBLIC

Content hashes

Canonical text17616ad3d056a294998e6a00875287270b156841325d7d3bf7177d74b86c512e
Markdownb99aae4f9103bc9a2008aae3daa0e59c97efbc532a1cb2b44efcd0b217951f2f
PDF
Publication page81c41bf46043993958f44b01a75a3d822d5fe67640001f14141046335798b721
Manifest53b835b040ab0f77a015f18b861f3340a6b1ecee62946928aaa52ea6d1f6a9fe

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
Signature7oCvkWoL+KopBdwnLLESxvFX6dg/k3nOmu15kgwQxWEY0qLNCnuIVLFYBzdF5l9o3PNvjd9gEqWMt2rDlppgBg==
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

2026-09-17T11:37:58.157851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030298
observed 81c41bf46043993958f44b01a75a3d82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:58.140882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030298/manifest.json
observed 53b835b040ab0f77a015f18b861f3340...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:58.123450ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030298/publication.md
observed b99aae4f9103bc9a2008aae3daa0e59c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:58.106481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030298/publication.txt
observed 17616ad3d056a294998e6a0087528727...
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.