OpenTechnical

OT-2026-000042502

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, plant vacuum fed, sustained blow-off after set-down

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-2026-000042502) never changes.

Identity and time

Publication numberOT-2026-000042502 · never reused
Internal UUID01a0ae7a-c0cd-78aa-a932-d4632ffe6fe9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042502
StatusPUBLIC

Content hashes

Canonical textf26c5963e92a125c0075924b962bbf70cb195e77612d528ca6e1c91d887fc7a7
Markdown25302b9e439e43f8edda47b59cb96605deb01043ffe49a801ed704022c7809f9
PDF
Publication page2edef9c9bd2560bc897cdae0207e36ed45dd90f7a2ac6f0bdd2372c8e2a6e855
Manifest2eea4af3dce25dcb2dde08105e799ef074938342acc7f2eb33838014d907e4e0

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
SignatureqjvtE9xJm5UF9OEm808Sq3mng+4upXIO2VaWldaqCwEnTGc6ob16PRi422FutPfpS+BszTMut8yXSLuEwfnHAQ==
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

2026-09-17T11:14:04.701022ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042502
observed 2edef9c9bd2560bc897cdae0207e36ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:04.682094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042502/manifest.json
observed 2eea4af3dce25dcb2dde08105e799ef0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:04.663525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042502/publication.md
observed 25302b9e439e43f8edda47b59cb96605...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:04.645094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042502/publication.txt
observed f26c5963e92a125c0075924b962bbf70...
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.