OpenTechnical

OT-2026-000029105

Publication integrity record

Three cup vacuum gripper, three outlet manifold, three stage ejector, supply line 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-2026-000029105) never changes.

Identity and time

Publication numberOT-2026-000029105 · never reused
Internal UUID01a0ae73-2a9f-7dd1-a3f3-b804a03345bc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:38.288761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029105
StatusPUBLIC

Content hashes

Canonical text27f987cf9732054321f125ec838d74657edf08ece17b77868cb4a476d1aeae9a
Markdowna72095e4d2c555c6bff43a1c53e06c1a3f600af8d4331a4e3d5accd8d8851235
PDF
Publication page93b44196dca2cc11c74e0c7070b7425d9a9d928ab0bb225c4bd1f199d86771ad
Manifest3a1f27e15b3c37aea41038fb78452e19fc186a617ddbeb0f3bad4fcb8c4fb5b5

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
SignatureNd312NOrXuCQwYs3gMR7oQceBWdXrLt0MWsIFklWHorPWBN/XiVgwN29bQ562NywxEKWZiY9LnFHs0ZzC2pxBA==
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

2026-09-17T08:20:51.706447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029105
observed 93b44196dca2cc11c74e0c7070b7425d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:51.687598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029105/manifest.json
observed 3a1f27e15b3c37aea41038fb78452e19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:51.544655ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029105/publication.md
observed a72095e4d2c555c6bff43a1c53e06c1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:51.526911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029105/publication.txt
observed 27f987cf9732054321f125ec838d7465...
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.