OpenTechnical

OT-2026-000072136

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000072136) never changes.

Identity and time

Publication numberOT-2026-000072136 · never reused
Internal UUID01a0ae92-47c1-759a-b819-94712aef5880 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072136
StatusPUBLIC

Content hashes

Canonical text556127640932592a08a4f81a9bf36443f836bdfd0335da792e727601ca37d6fc
Markdown892feb13bf512cab01478fb2a2b41cb40592fbad0f7dd856b9a9cf88cbf177f1
PDF
Publication pagef6a9b627fbea038148af50b5defa9978d45a57d465a09835abc5366696c0ee9b
Manifest6dae32de0cd8d51bb4daf6652e3e0806e10159772edd18ad5ae8e7e3be9e0b6f

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
SignaturemoTKQLWEiZ3R8JXhMFOAq71AxaXKQ4TrbdZ3/BnHYfXoannSukeucY7yvQI+8sA/AiuhJ4OoOHJf0ggXoy1EBQ==
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

2026-09-17T10:23:13.802081ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072136
observed f6a9b627fbea038148af50b5defa9978...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:13.784470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072136/manifest.json
observed 6dae32de0cd8d51bb4daf6652e3e0806...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:13.767386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072136/publication.md
observed 892feb13bf512cab01478fb2a2b41cb4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:13.751073ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072136/publication.txt
observed 556127640932592a08a4f81a9bf36443...
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.