OpenTechnical

OT-2026-000070070

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, vented 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-2026-000070070) never changes.

Identity and time

Publication numberOT-2026-000070070 · never reused
Internal UUID01a0ae91-1861-74ce-a822-18b252c2c6f9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070070
StatusPUBLIC

Content hashes

Canonical text07e9809295cb032ee28480b6c8805a6f509cc9a892c16216fe95f7b2a4c10ad2
Markdown97fb5fe30de08369f8c83170f6e110dd9a945cfd42e83878015fbf0625f1aa79
PDF
Publication page4235907bbd2a270ea44b3a0650e5cf4dbf4471c1aa89990653677191ba915e2e
Manifest9af94b904c84263db41b27a1efdcc4fbaff56c025af19f3bafda7c0f5d5fe03d

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
SignaturelhfnH+Wt1rAbKqzH54tNb5r7elHXxr4OmaUpvbzf6Ly2A2pXJ7L8ALi1RJUuMfkPYye9oYcjWUpwwaT0w8ovCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:27:01.883161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070070
observed 4235907bbd2a270ea44b3a0650e5cf4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:01.865559ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070070/manifest.json
observed 9af94b904c84263db41b27a1efdcc4fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:01.847944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070070/publication.md
observed 97fb5fe30de08369f8c83170f6e110dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:01.830272ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070070/publication.txt
observed 07e9809295cb032ee28480b6c8805a6f...
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.