OpenTechnical

OT-2026-000081848

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, supply line pressure sensor, vented after 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-2026-000081848) never changes.

Identity and time

Publication numberOT-2026-000081848 · never reused
Internal UUID01a0ae97-0f75-7505-b4db-25b5d5664464 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081848
StatusPUBLIC

Content hashes

Canonical textf2cbf43a873447311925c4776b43138f13e9a4ba2cd3c06d7a9227fbf2d139e9
Markdowndb3ae95050b316dcc531908dbac01a4ac9da1e5bb743be5dc937bb2e5971b588
PDF
Publication page54992fe1cb7cc50d9a6e1c470f9c55dd153900689bf023c7ad1e6c361c1307b7
Manifesta106b50a7799b17771b4a16396f050c0fb47bce3792c8625da67d462914c231b

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
SignatureroETmCrPY2zbFm/vytIhHaBh7EssHLfe9mFUeFPTHEZwWtl8DTSVw90T9UQ6NBVeodMqEWEWM/mQ+XDXKWxGBw==
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

2026-09-17T10:00:57.675102ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081848
observed 54992fe1cb7cc50d9a6e1c470f9c55dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:57.653164ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081848/manifest.json
observed a106b50a7799b17771b4a16396f050c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:57.634271ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081848/publication.md
observed db3ae95050b316dcc531908dbac01a4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:57.616175ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081848/publication.txt
observed f2cbf43a873447311925c4776b43138f...
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.