OpenTechnical

OT-2026-000046729

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained blow-off after 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-2026-000046729) never changes.

Identity and time

Publication numberOT-2026-000046729 · never reused
Internal UUID01a0ae7e-d0f3-7956-a83b-51ce2cf46708 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:21.770727Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046729
StatusPUBLIC

Content hashes

Canonical texta574a1b584424912e0ff849ffb8e7ba0c7e99a7a3274400dbf2fb10d37827673
Markdown76eccb813a4b9074d73dbf0557502ab879095e8410cc60a84b44fab8a51418df
PDF
Publication paged4d2fed90e1c802439da084198ef844089ad740c9c6103b441065d813d06d29c
Manifest46a67948ac38480ab7670e002fd9c676bf7da704cc310cf6cf3dfafe22b43d4d

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
SignaturewwsRPu75qs91lm0akTa/cYmEzZs66kDvKDzaL40yBZGsojrjhYHx+pCObaAUliWWO3jTT7+gew/y+exe57ghCw==
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

2026-09-17T11:06:47.294661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046729
observed d4d2fed90e1c802439da084198ef8440...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:47.278303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046729/manifest.json
observed 46a67948ac38480ab7670e002fd9c676...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:47.260212ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046729/publication.md
observed 76eccb813a4b9074d73dbf0557502ab8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:47.242526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046729/publication.txt
observed a574a1b584424912e0ff849ffb8e7ba0...
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.