OpenTechnical

OT-2026-000029392

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, 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-2026-000029392) never changes.

Identity and time

Publication numberOT-2026-000029392 · never reused
Internal UUID01a0ae73-5e20-77e5-84ae-f5660be26576 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029392
StatusPUBLIC

Content hashes

Canonical text77e615251b0dc6fefc0db4c0c57f14744f42d792b605188f5094aaac7ff826ff
Markdownfd9c8c7ed7fc5e43aed42de8a8292c26d32a86a7f25b8adf83f51cb7478c4173
PDF
Publication pagecb4d07da90b2f58f5dc9b7861e2e04a04bb698b4ae220620f42b4865a31532bb
Manifest5d3a53a14aaf136a591970c531e82f0dbabb4940474c6de2903853d5e8493bb3

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
SignaturelqVM/Di+GIEVKju+xmyU4EIZpY4sV0qGdVsSc0J0+jN2KSaHt/0vdvFCuRFTH26XRTwSdHmqLN3WLsQ2oc6gDg==
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

2026-09-17T11:38:57.625715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029392
observed cb4d07da90b2f58f5dc9b7861e2e04a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:57.609217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029392/manifest.json
observed 5d3a53a14aaf136a591970c531e82f0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:57.588510ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029392/publication.md
observed fd9c8c7ed7fc5e43aed42de8a8292c26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:57.569851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029392/publication.txt
observed 77e615251b0dc6fefc0db4c0c57f1474...
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.