OpenTechnical

OT-2026-000023322

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, plant vacuum fed, 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-2026-000023322) never changes.

Identity and time

Publication numberOT-2026-000023322 · never reused
Internal UUID01a0ae70-7268-7a5a-8f01-882d52dbdcfc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023322
StatusPUBLIC

Content hashes

Canonical textfff3b763065719d28ae6c57ebbba437eafb1fd8b1496d490db81f5a492ceae5c
Markdown8abe1d4e0dae6126845bd2f09279cc2c5a62dc3743f2d4d520b2ff358241aace
PDF
Publication page67c2d7df546136ca70ddc984f77bbf1f829ad183e1be386e7789f4b4610b9b10
Manifest238b52d2f4f38a5e3072c29009e7c3c155d757ad6fc66ec3f1d5499a56f38878

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
SignatureYNdOHmqgNlt0QSm8m0bLE6Io+F+QXlg8/gS2pHdC+XyMcdCxO/w8qEpsCv3vLyoioBzgBDKPpcKQSnNWY/kBAA==
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

2026-09-17T11:51:24.476877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023322
observed 67c2d7df546136ca70ddc984f77bbf1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:24.448451ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023322/manifest.json
observed 238b52d2f4f38a5e3072c29009e7c3c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:24.431574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023322/publication.md
observed 8abe1d4e0dae6126845bd2f09279cc2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:24.415442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023322/publication.txt
observed fff3b763065719d28ae6c57ebbba437e...
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.