OpenTechnical

OT-2026-000049249

Publication integrity record

Two cup vacuum gripper, two outlet manifold, two stage ejector, manifold 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-2026-000049249) never changes.

Identity and time

Publication numberOT-2026-000049249 · never reused
Internal UUID01a0ae81-134f-7110-9a0a-a81e3e282e5b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049249
StatusPUBLIC

Content hashes

Canonical text2209f5ada629b5bb4097f14e9310f8b1d4956bd65815d7a7ce94013802c56f3c
Markdown38f3382d84a704eca37a5adfc0722faaf972c46e0313a0906a840fad8736825d
PDF
Publication page989f4cd0654bd78d89cc201901a548ccb01bf342ec985a60fdc14e5abe6d559d
Manifest48852f1794cd6473c20bca08260025c04e6c732ba5864bc9fc49be022c3757f8

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
SignatureC7boq4qTQTqdLrd4g+E/O8yrW1yC+APCjYTg74IdZob6105Ykkqsvjhr+nvJacbFy20pjLpeyY0HB/KQek2RDA==
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

2026-09-17T11:04:05.675091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049249
observed 989f4cd0654bd78d89cc201901a548cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:05.655813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049249/manifest.json
observed 48852f1794cd6473c20bca08260025c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:05.594175ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049249/publication.md
observed 38f3382d84a704eca37a5adfc0722faa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:04.955385ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049249/publication.txt
observed 2209f5ada629b5bb4097f14e9310f8b1...
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.