OpenTechnical

OT-2026-000030474

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, single stage ejector, manifold 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-2026-000030474) never changes.

Identity and time

Publication numberOT-2026-000030474 · never reused
Internal UUID01a0ae73-e504-764c-9b4f-812b2addab08 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030474
StatusPUBLIC

Content hashes

Canonical text4108c1cd02b0d12811ac702fafe0b8c7a03161fc1d4e2f17dd0a2bd9b43e3f17
Markdowna423c86e59d1fe19bac777698492a9d87337972b7e9dc3df1d5cbd4ac204c216
PDF
Publication page8cff76e754b738f0b87fc1af06cfd918b0e8045fc86840445b172f6d02f420e2
Manifest2ceb70f67efff4abc9f6183fab0bb7e51a226129bc934b4a43941d77db52dd7b

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
SignatureMrQsuSS+9/B3qppwX3vybf9Nj9OhHNNX2bcV846shzITJvSkI/XN8AJmKr52b3rpb6w/+QHUWa1SPn/yETphAA==
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

2026-09-17T11:38:19.222766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030474
observed 8cff76e754b738f0b87fc1af06cfd918...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:19.201817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030474/manifest.json
observed 2ceb70f67efff4abc9f6183fab0bb7e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:19.183223ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030474/publication.md
observed a423c86e59d1fe19bac777698492a9d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:19.162607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030474/publication.txt
observed 4108c1cd02b0d12811ac702fafe0b8c7...
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.