OpenTechnical

OT-2026-000092304

Publication integrity record

Three bellows cup vacuum gripper, three zone face, pump fed, supply line pressure sensor, sustained 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-2026-000092304) never changes.

Identity and time

Publication numberOT-2026-000092304 · never reused
Internal UUID01a0ae9d-875b-76b9-941b-7ee72445cd42 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:54.538201Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092304
StatusPUBLIC

Content hashes

Canonical text7670c734aeb1e1d04c678dfec2bb9c3b3d37c85fb0dc299dfd7acafcbf9b8906
Markdown1920ad2b372c3539db6cb82097b047bab90be32a6d612d23b77178c049d3263e
PDF
Publication page0ea337b067c41ce78e22d00a0a4c262b164e0949dc14fa1d80329f5c3a4110e7
Manifestbf4acd48a14a2f4c26456e3af31cbc58e666abe62a28f688ecd53922c1163f8c

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
SignaturerAeU1l9O0HSZJOKLHiEnQvM/exLAXZkEjnSofRWg+8X4jULAI+7xUC149FkbvVN4mb6M0WvaO9HlEx/W6NrbDg==
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

2026-09-17T09:41:50.582419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092304
observed 0ea337b067c41ce78e22d00a0a4c262b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:50.562687ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092304/manifest.json
observed bf4acd48a14a2f4c26456e3af31cbc58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:50.544776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092304/publication.md
observed 1920ad2b372c3539db6cb82097b047ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:50.526885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092304/publication.txt
observed 7670c734aeb1e1d04c678dfec2bb9c3b...
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.