OpenTechnical

OT-2026-000030825

Publication integrity record

Single cup vacuum gripper, two stage ejector, pulsed blow-off after 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-2026-000030825) never changes.

Identity and time

Publication numberOT-2026-000030825 · never reused
Internal UUID01a0ae74-3fb5-7012-aa94-5b88e5385fc1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030825
StatusPUBLIC

Content hashes

Canonical text79b180350a557d1faa922a0a9a7b60895d369108866c66f9c65ef2f34e04d78c
Markdown3db9dceaf46e038ba37181a91cdcfe5880832689ff76d8a62a69f2a41d26f9cb
PDF
Publication pagea4ccdd8e8eb38259876b67705d50c2db1b54c16674b3e3de7d059e824fbd4dd0
Manifestedd9c8e4a4be066347f8bdeb60941f4b53ae0cf84db57ed786222c781d6195ae

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
Signature78uoaUl+pMktZH/x8mLVH/pttE2o0DBMsgc14KyIp/fKj2bboijzsdbhEBrOERuY6m3zj37as2LTcLcuVv8ZCQ==
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

2026-09-17T11:36:42.375839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030825
observed a4ccdd8e8eb38259876b67705d50c2db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:42.360311ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030825/manifest.json
observed edd9c8e4a4be066347f8bdeb60941f4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:42.344387ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030825/publication.md
observed 3db9dceaf46e038ba37181a91cdcfe58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:42.328368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030825/publication.txt
observed 79b180350a557d1faa922a0a9a7b6089...
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.