OpenTechnical

OT-2026-000048011

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, plant vacuum fed, pressure sensor per zone, 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-2026-000048011) never changes.

Identity and time

Publication numberOT-2026-000048011 · never reused
Internal UUID01a0ae7f-c423-730b-8de9-9e5027825c22 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048011
StatusPUBLIC

Content hashes

Canonical text83100cad187630885a1582709a721b90f70720ba6296f425090145f05c9059a0
Markdown1202e032fae6de0b28d7d0f3020f8c134706dd32f4d3024c2c1046b557db8aa0
PDF
Publication page518d8b47e787631a81e318502bce190e0dfb8d66825531ee37272820f23924c1
Manifest22cc0e7253f81b4631f6f2ffd3b1a87a62079df1a0159691b1cd34c98cf9f624

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
SignatureaaQYnUj8fkiJKO76qrRTVby2akKRVZizNYCUj79zfQhNhvjcRTN+fx68K/vzRc2FTCWkFnzNI0lSxkhanO2cBg==
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

2026-09-17T11:06:00.199600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048011
observed 518d8b47e787631a81e318502bce190e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:00.181912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048011/manifest.json
observed 22cc0e7253f81b4631f6f2ffd3b1a87a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:00.164917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048011/publication.md
observed 1202e032fae6de0b28d7d0f3020f8c13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:00.148024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048011/publication.txt
observed 83100cad187630885a1582709a721b90...
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.