OpenTechnical

OT-2026-000007800

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, two stage ejector, pulsed 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-2026-000007800) never changes.

Identity and time

Publication numberOT-2026-000007800 · never reused
Internal UUID01a0ae62-8d39-7a71-878c-1bbc08a1fc0d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:01:29.414051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007800
StatusPUBLIC

Content hashes

Canonical texte77670109de40844b0e20412c46f1cff37cd6087f5642a54bede1c382aed35ab
Markdown4d288051eeb1e4a3e0caaa6e52be2092bc57e3b4e9e36ba076da611e8081ade4
PDF
Publication paged81875a0587c4eaf8c221032c8507bf84c3986c91352552fa165484daefa6bbb
Manifest6ad0507ef70d95ffc0e952da1c0ebfca670dcf68889974f01a69fb8075e88f5d

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
SignatureShDEVd1NQHuxw/swcf+EoiAUZorZVcXvoT49Fn+7LGWStMirp1FCaSBU01X4CZglyrbqJqMP+EpJGHf19HQJDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:07:02Z
batch OT-TS-2026-W38-016 · RFC 3161 token · inclusion proof
root 8d90bf9341d96baa4328c218b6f85281...

Independent retrieval

2026-09-17T08:10:03.095250ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007800
observed d81875a0587c4eaf8c221032c8507bf8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:03.068581ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007800/manifest.json
observed 6ad0507ef70d95ffc0e952da1c0ebfca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:03.044415ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007800/publication.md
observed 4d288051eeb1e4a3e0caaa6e52be2092...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:03.027195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007800/publication.txt
observed e77670109de40844b0e20412c46f1cff...
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.