OpenTechnical

OT-2026-000011735

Publication integrity record

Single cup vacuum gripper, common isolation valve, single stage ejector, 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-2026-000011735) never changes.

Identity and time

Publication numberOT-2026-000011735 · never reused
Internal UUID01a0ae6d-1940-7f0d-a7ff-dd8e8b80d111 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011735
StatusPUBLIC

Content hashes

Canonical text8943ee182ea41774c9673b64057ec8a915da91fd3bb0a4401d5fd02757ee8d45
Markdowna2115306988b7599eb064aa01fc18fbd37b727fe67c2ab6648234c92d536bdb0
PDF
Publication pagef24ac62fb8641a430b39be1f85ce367bdb8275657bf5d005d09954363df4c13b
Manifeste8f17e1372240bf569f6f3965bba26f81cf0b024b4bf4e9118f48b0bd0adcf76

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
SignatureofXxEb7lkD6OmJJZMpw/sdMepyOaGa/gJPw/RjM7AlUeEanfR/MmQYktSWN1LtbaJ1MA0iyftpGD2NypzxcqCw==
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

2026-09-17T12:12:21.207545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011735
observed f24ac62fb8641a430b39be1f85ce367b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:21.188217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011735/manifest.json
observed e8f17e1372240bf569f6f3965bba26f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:21.167143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011735/publication.md
observed a2115306988b7599eb064aa01fc18fbd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:21.146586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011735/publication.txt
observed 8943ee182ea41774c9673b64057ec8a9...
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.