OpenTechnical

OT-2026-000063145

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, vented 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-2026-000063145) never changes.

Identity and time

Publication numberOT-2026-000063145 · never reused
Internal UUID01a0ae8c-94aa-738c-8e47-5cc54aa59885 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:23.840289Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063145
StatusPUBLIC

Content hashes

Canonical text5562062ad4027529186be18c9fbbee2a2d406eafbd8aefb39e962a3cafe34c6d
Markdown2824c1165870a727fea03b1773ec3a9e1508e321397ece0967633acc84560353
PDF
Publication page03ca2943fbf2616ee6e8f501c81f4d2da3be5e5c1dc3c82947943061405f7333
Manifest2ba261349da0c7d8d7668c91ee4da298e38ee0f2f491651fa7aa37d0baf5e793

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
SignaturegkDh7d4KJjUqySFJFi5jAIyuF9FUGmv0u9RrZnONiB5n1FgfN3FSHXCRDvjHzUPE3Q6k+bbuDW0evEk+sQpEBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:38:55.844043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063145
observed 03ca2943fbf2616ee6e8f501c81f4d2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:55.825187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063145/manifest.json
observed 2ba261349da0c7d8d7668c91ee4da298...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:55.792860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063145/publication.md
observed 2824c1165870a727fea03b1773ec3a9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:55.759456ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063145/publication.txt
observed 5562062ad4027529186be18c9fbbee2a...
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.