OpenTechnical

OT-2026-000034123

Publication integrity record

Three bellows cup vacuum gripper, three zone face, single stage ejector, supply line pressure sensor, 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-2026-000034123) never changes.

Identity and time

Publication numberOT-2026-000034123 · never reused
Internal UUID01a0ae75-df0c-79d9-973b-a140722c5755 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034123
StatusPUBLIC

Content hashes

Canonical textaeb8bfba34d4fc31a594f3ada2f8a737c0ab1d72a771db1714b6d2750984c586
Markdown21b60f243038734d87d404ef31f84690bef18c760ed4d9baa0f8c92e41c8b5a9
PDF
Publication page9df9be59fb1b1b568960815cd48e5c7bedc6f2b47f53edaf6c99240407f569e9
Manifesta1c48763511d375d88f39b31ce6a92bfc22685de019c5f73d03baaefe6cb47dc

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
SignatureM/vBb7fPhObbwmyyV5gQCMwYLV1hDcJPCg8Vj2KJrExrK3Ug678xC/6SUt6o3pVYe0vrxnfgm/rpXz1IdEGpAg==
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

2026-09-17T11:30:30.818779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034123
observed 9df9be59fb1b1b568960815cd48e5c7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:30.801352ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034123/manifest.json
observed a1c48763511d375d88f39b31ce6a92bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:30.780480ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034123/publication.md
observed 21b60f243038734d87d404ef31f84690...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:30.760580ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034123/publication.txt
observed aeb8bfba34d4fc31a594f3ada2f8a737...
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.