OpenTechnical

OT-2026-000047822

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000047822) never changes.

Identity and time

Publication numberOT-2026-000047822 · never reused
Internal UUID01a0ae7f-c420-7e97-9445-cbb3ec0a8de4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047822
StatusPUBLIC

Content hashes

Canonical textc70cd6083b01c3ebecda110de901d9cea5c85a3fbb8ebbb324162d6e5ef190d7
Markdown61e04c40f9e8830c7af1f1e5feee5b0ec7b7c083d9b71bd724d3dbe65355d270
PDF
Publication page292dbe1f997669b4c2d96f69de98b1d5fbf6150240880cc8c2ac7f621dd5fc6b
Manifestb9bf354bef252b20764c50053f2156b71b990097934c376f69d8c62c0f312d72

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
SignatureDoRo65IhyUN7/HAN1Te1y1WlJQfpitYwe8mTuZU7r23he5RplFKxbJZIcfBQn48xrdpoVdDtm7JW6OIf/JygDw==
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

2026-09-17T11:05:43.876716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047822
observed 292dbe1f997669b4c2d96f69de98b1d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:43.857524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047822/manifest.json
observed b9bf354bef252b20764c50053f2156b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:43.841440ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047822/publication.md
observed 61e04c40f9e8830c7af1f1e5feee5b0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:43.823986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047822/publication.txt
observed c70cd6083b01c3ebecda110de901d9ce...
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.