OpenTechnical

OT-2026-000022655

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, three stage ejector, pulsed blow-off before set-down

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-2026-000022655) never changes.

Identity and time

Publication numberOT-2026-000022655 · never reused
Internal UUID01a0ae70-46e9-7206-829f-884ace29b1b7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022655
StatusPUBLIC

Content hashes

Canonical text476492b984fcd1597599f5085da0cd9cad355e64de8ed841f178c4fc8d319d05
Markdown102a6e4d8995e85a144bb6e65d04672d2d85ec8d7632fb1a24ce8ca3a5ffe6d6
PDF
Publication page003366bc7ad1220b010cda4392a56184e2396137fc5885c2095c920fe36febb6
Manifestcf70bd25f345f0c93f13bf27b504cd35a45959655466aaee0243f60e16a1cb4b

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
SignaturenB/02v+WTtgCe1xreMPg771mtzOyT7bXXi/Nohy3o092Yhh1OXcbWXn+sOMO/H3eqbITDbh5t+sDheLGIXGcDg==
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

2026-09-17T11:52:02.311171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022655
observed 003366bc7ad1220b010cda4392a56184...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:02.294219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022655/manifest.json
observed cf70bd25f345f0c93f13bf27b504cd35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:02.276465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022655/publication.md
observed 102a6e4d8995e85a144bb6e65d04672d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:02.259807ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022655/publication.txt
observed 476492b984fcd1597599f5085da0cd9c...
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.