OpenTechnical

OT-2026-000034052

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, 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-2026-000034052) never changes.

Identity and time

Publication numberOT-2026-000034052 · never reused
Internal UUID01a0ae75-df0c-7e20-810b-a5457f662e87 · 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-2026-000034052
StatusPUBLIC

Content hashes

Canonical textc4ef3e1b4b983017ec1ab0ef44d0ecd7793d04bfbaaf4b65b63fd7e7ea82f313
Markdown30f03524e410f841854f3dc6c29bfa833e5a42d8aa4d66a0e9cb185644934043
PDF
Publication pagedf9c5990e7bac6585a59abae1c1fa23ef34797682ef12de0c88212405ef1d945
Manifest27d307ce196f78ee53f1760021dadf9339e2d7fd0f54ff06c9d695f75972441e

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
SignatureMmw4foje/ig5USVk9P2ZxJTX3VoZVlml8zQDDOk/4Ov/ka9TVlkCVSW/r5H1HSAZlEp9XvkCn2UNxtXYvhldBg==
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

2026-09-17T11:30:17.492964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034052
observed df9c5990e7bac6585a59abae1c1fa23e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:17.474782ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034052/manifest.json
observed 27d307ce196f78ee53f1760021dadf93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:17.457426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034052/publication.md
observed 30f03524e410f841854f3dc6c29bfa83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:17.439464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034052/publication.txt
observed c4ef3e1b4b983017ec1ab0ef44d0ecd7...
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.