OpenTechnical

OT-2026-000025442

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, single 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-2026-000025442) never changes.

Identity and time

Publication numberOT-2026-000025442 · never reused
Internal UUID01a0ae71-5fa7-78dc-b6c9-4d52a57a1801 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025442
StatusPUBLIC

Content hashes

Canonical textddb02d87de937e471f897207c1bcb0cc7888abf5c739fc57258261a4a7bb1300
Markdownb0c5b8b3fc253aeea7f4918c180a3b3c24040b7bb25811e2e986cab881fcc65d
PDF
Publication page93e111177238d555cb42536d1553f821b3c8f56aca5a634f0ce126e40a1c41f6
Manifest348f1dd57c89d8cab08fbb1194476d7e29af2a13db0a1dfc63edfc6b299f4a7f

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
SignatureQWazlJN2Ax9ymTd1D8lxgmriZHMsQL4Z+q03/cSqAZI0DwYUCmvBrSfifSON+N2gp1y/v3PdlR6o/o1igwhhDA==
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

2026-09-17T11:47:31.378278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025442
observed 93e111177238d555cb42536d1553f821...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:31.361504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025442/manifest.json
observed 348f1dd57c89d8cab08fbb1194476d7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:31.344798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025442/publication.md
observed b0c5b8b3fc253aeea7f4918c180a3b3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:31.324193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025442/publication.txt
observed ddb02d87de937e471f897207c1bcb0cc...
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.