OpenTechnical

OT-2026-000098129

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, plant vacuum 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-2026-000098129) never changes.

Identity and time

Publication numberOT-2026-000098129 · never reused
Internal UUID01a0aea1-e963-71fe-8110-f7a36c49cdce · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:41.837875Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098129
StatusPUBLIC

Content hashes

Canonical text7a29e55f0408e6302ded36fbdadd848d10ea59b56c5a3c6cfa233174862e43f3
Markdownb97692e23ca18236851af42e2b16f9ece29eb455dcccb4802a7b38e02c7e817c
PDF
Publication pagea9142e261e4ef1574aeddfe277a65856506a9f26e636181188825a8936510c39
Manifest03fdcf1883de685f58d111cacbcb851e27d2c7e5f2450f4a6047dd0ee2c1e18f

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
SignatureMNU0Yl5ailNusoqatNdDV4SMBd04HyDZiTzK+guWdmvajGlVjt+jnS0Ki4xD7yjXTNvrE6e/Pl/v43Lr0K/TDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:31:16.319170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098129
observed a9142e261e4ef1574aeddfe277a65856...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:16.299723ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098129/manifest.json
observed 03fdcf1883de685f58d111cacbcb851e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:16.280299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098129/publication.md
observed b97692e23ca18236851af42e2b16f9ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:16.261558ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098129/publication.txt
observed 7a29e55f0408e6302ded36fbdadd848d...
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.