OpenTechnical

OT-2026-000045979

Publication integrity record

Four bellows cup vacuum gripper, four zone face, three stage ejector, 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-2026-000045979) never changes.

Identity and time

Publication numberOT-2026-000045979 · never reused
Internal UUID01a0ae7d-8f89-747e-9567-b6eaa02be6ac · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045979
StatusPUBLIC

Content hashes

Canonical text4f2268325efb7a086aec9d2944cc953fc602d8910574faeabd6d105bf895b6b7
Markdownaec2c555dd503d4983c72fe6b9f65d64163b06e9a17850076218619c45ec6b06
PDF
Publication page6ba08178aa0fd09d830e4a2ed8521322dd115ee96d0c9a84d056666476d70be3
Manifest061c340388e51a7c8f5927155f4df317a0d2d63dc6c4a071f3872fefb203a7ce

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
SignatureqY77GfspEO5Aft+zj5FrVHwdDxqHmvs6BqqyrTVWFroHktcI/tA6zslUAgPayAahv1NKnJSzCrg4V/8rwN3TCg==
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

2026-09-17T11:09:58.385446ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045979
observed 6ba08178aa0fd09d830e4a2ed8521322...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:58.365776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045979/manifest.json
observed 061c340388e51a7c8f5927155f4df317...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:58.348281ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045979/publication.md
observed aec2c555dd503d4983c72fe6b9f65d64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:58.332094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045979/publication.txt
observed 4f2268325efb7a086aec9d2944cc953f...
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.