OpenTechnical

OT-2026-000030518

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, three stage ejector, manifold pressure sensor, sustained blow-off before 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-2026-000030518) never changes.

Identity and time

Publication numberOT-2026-000030518 · never reused
Internal UUID01a0ae73-e504-742c-97d2-f68453150437 · 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-2026-000030518
StatusPUBLIC

Content hashes

Canonical textb7502efb69e63c6f323d2466f95b5f4836a8a584f1c1953ba8f7e231937a14ce
Markdown62ea7c6a9f4acf865379bdc63d2eccb07141ff6c2e03560693252bb6301c49d5
PDF
Publication pagea682efcc6c32eac7775312d20037d3e1295fcb1b75f535f72bafc0ff36bf9bff
Manifest82cecd0a583a40e7b8da8ad297ace3c7c75943bf9596dec6cfeea4e4c26db290

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
SignatureRlVSi3bogZp6qv2b8QxOwHJmfxHR3pDDzI/hMfZQMAMfhrmFO29HiiMIiqESuXBBXinRJHOkUZTbJVvKJlaGCA==
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

2026-09-17T11:38:23.001196ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030518
observed a682efcc6c32eac7775312d20037d3e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:22.984102ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030518/manifest.json
observed 82cecd0a583a40e7b8da8ad297ace3c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:22.966813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030518/publication.md
observed 62ea7c6a9f4acf865379bdc63d2eccb0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:22.947415ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030518/publication.txt
observed b7502efb69e63c6f323d2466f95b5f48...
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.