OpenTechnical

OT-2026-000035440

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, supply line pressure sensor, sustained blow-off before 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-2026-000035440) never changes.

Identity and time

Publication numberOT-2026-000035440 · never reused
Internal UUID01a0ae76-6a20-77a8-b636-67e30904cfe0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:11.150702Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000035440
StatusPUBLIC

Content hashes

Canonical textb921a8188a918764c46f698691223571d02c34a1c1535d933b7cd39f09f34b48
Markdown7c4b022920347f74f4a5324daf2011199d0e97b3671637e4f8424b43a2b543f8
PDF
Publication page5e1de9f0cab1c71ac7c0c0041f613da3831b1da951b4c4c0dab683b613e01797
Manifesta5aa38e506f0234bf2450bef6d34867161be3b1d01271d2a65008655c1a4bded

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
SignaturewMcV5rF+/MXmM1cJhHaR+k+DwQ0ieFZDRa0xT8PXDdNBkEv7axLmBEf8eoyELDo+7gGUldwpTliUQf1lg7REAw==
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

2026-09-17T11:28:45.353800ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035440
observed 5e1de9f0cab1c71ac7c0c0041f613da3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:45.335503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035440/manifest.json
observed a5aa38e506f0234bf2450bef6d348671...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:45.317938ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035440/publication.md
observed 7c4b022920347f74f4a5324daf201119...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:45.297829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035440/publication.txt
observed b921a8188a918764c46f698691223571...
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.