OpenTechnical

OT-2026-000099689

Publication integrity record

Two cup vacuum gripper, two zone face, three stage ejector, pressure sensor per zone, 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-2026-000099689) never changes.

Identity and time

Publication numberOT-2026-000099689 · never reused
Internal UUID01a0aea2-c976-708f-8602-abd5f05fd0c7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099689
StatusPUBLIC

Content hashes

Canonical textd4ae0f1f898a8d5db5e3c91ae1fcad843b2b7fe68ec3a0622666df774014f83f
Markdown3f08474fb7b02e5213153c58255a782dafa3db5c9fbc61d3bc87ccdd849f851f
PDF
Publication page1ac94ea22d9cf536bab5a48706972fbdde5473eb0a16208616ca572397054a9d
Manifest32fdea59e3da5ce0e197ba8392dd7528d88d98b84073854b20f37c0b6abf4194

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
Signature95wN76fgG98ArcBmN4GgFadJS/1NeJlk8bcJBUNQzIk/EEX9Ypz3BrY6rnVK5GVUe3sWDoDJI8ZZwHGfxFThDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:29:41.875356ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099689
observed 1ac94ea22d9cf536bab5a48706972fbd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:41.855631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099689/manifest.json
observed 32fdea59e3da5ce0e197ba8392dd7528...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:41.837191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099689/publication.md
observed 3f08474fb7b02e5213153c58255a782d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:41.818880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099689/publication.txt
observed d4ae0f1f898a8d5db5e3c91ae1fcad84...
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.