OpenTechnical

OT-2026-000038569

Publication integrity record

Single cup vacuum gripper, common isolation valve, single stage ejector, supply line pressure sensor, pulsed 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-2026-000038569) never changes.

Identity and time

Publication numberOT-2026-000038569 · never reused
Internal UUID01a0ae78-2d54-71ed-91f5-06d5cb8b4cd5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038569
StatusPUBLIC

Content hashes

Canonical text34833c9447e4dc964e928d0162d9d0f19026592e1db7318426e6ff679efaa5c3
Markdown7eb7dba4a594739909e18968994003cf72ce72d4b30312d26919d9bfdf826e77
PDF
Publication page1a2b95bb8cb0d8aa5916275a796a94dfe23bb21317e83f74364b3b3816f2a488
Manifest0cf72385e40166e138e96ce56f5e9d29c895fa268d7ec96c269abd883d561312

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
Signatureh0LNuoNNdcQRDob90rwtT0/zivvVylIyrbsqAG7e3e/+Ouai7zpgvy6RYQ+OEkmsaQcUi5LYi4Fsx0YM1Gt5Dw==
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

2026-09-17T11:22:50.304651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038569
observed 1a2b95bb8cb0d8aa5916275a796a94df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:50.287903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038569/manifest.json
observed 0cf72385e40166e138e96ce56f5e9d29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:50.269355ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038569/publication.md
observed 7eb7dba4a594739909e18968994003cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:50.237001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038569/publication.txt
observed 34833c9447e4dc964e928d0162d9d0f1...
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.